Bibtex errors and warnings
/tmp/orna.bib, line 1, warning: overriding existing definition of macro "jan"
/tmp/orna.bib, line 2, warning: overriding existing definition of macro "feb"
/tmp/orna.bib, line 3, warning: overriding existing definition of macro "mar"
/tmp/orna.bib, line 4, warning: overriding existing definition of macro "apr"
/tmp/orna.bib, line 5, warning: overriding existing definition of macro "may"
/tmp/orna.bib, line 6, warning: overriding existing definition of macro "jun"
/tmp/orna.bib, line 7, warning: overriding existing definition of macro "jul"
/tmp/orna.bib, line 8, warning: overriding existing definition of macro "aug"
/tmp/orna.bib, line 9, warning: overriding existing definition of macro "sep"
/tmp/orna.bib, line 10, warning: overriding existing definition of macro "oct"
/tmp/orna.bib, line 11, warning: overriding existing definition of macro "nov"
/tmp/orna.bib, line 12, warning: overriding existing definition of macro "dec"
/tmp/orna.bib, line 14, warning: overriding existing definition of macro "lncs"
/tmp/orna.bib, line 15, warning: overriding existing definition of macro "springer"
/tmp/orna.bib, line 16, warning: overriding existing definition of macro "sttt"
/tmp/orna.bib, line 17, warning: overriding existing definition of macro "jcss"
/tmp/orna.bib, line 18, warning: overriding existing definition of macro "ieee"
/tmp/orna.bib, line 19, warning: overriding existing definition of macro "acm"
/tmp/orna.bib, line 20, warning: overriding existing definition of macro "ieeepress"
/tmp/orna.bib, line 21, warning: overriding existing definition of macro "entcs"
/tmp/orna.bib, line 22, warning: overriding existing definition of macro "weizmann"
/tmp/orna.bib, line 23, warning: overriding existing definition of macro "fmsd"
/tmp/orna.bib, line 24, warning: overriding existing definition of macro "ic"
/tmp/orna.bib, line 25, warning: overriding existing definition of macro "tcs"
/tmp/orna.bib, line 26, warning: overriding existing definition of macro "pnas"
/tmp/orna.bib, line 27, warning: overriding existing definition of macro "ploscb"
/tmp/orna.bib, line 28, warning: overriding existing definition of macro "lmcs"
/tmp/orna.bib, line 30, warning: overriding existing definition of macro "app"
/tmp/orna.bib, line 31, warning: overriding existing definition of macro "sub"
/tmp/orna.bib, line 34, warning: 1 characters of junk seen at toplevel
/tmp/orna.bib, line 33, warning: overriding existing definition of macro "hp_r.bloem"
/tmp/orna.bib, line 34, warning: overriding existing definition of macro "hp_v.braberman"
/tmp/orna.bib, line 35, warning: overriding existing definition of macro "hp_k.chatterjee"
/tmp/orna.bib, line 36, warning: overriding existing definition of macro "hp_k.claessen"
/tmp/orna.bib, line 37, warning: overriding existing definition of macro "hp_b.cook"
invalid token near line 38 (text was ''')
/tmp/orna.bib, line 38, syntax error: found "ppolito", expected "="
/tmp/orna.bib, line 38, syntax error: found "=", expected end of entry ("}" or ")") (skipping to next "@")
/tmp/orna.bib, line 39, warning: 37 characters of junk seen at toplevel
/tmp/orna.bib, line 39, warning: overriding existing definition of macro "hp_h.fecher"
/tmp/orna.bib, line 40, warning: overriding existing definition of macro "hp_j.fisher"
/tmp/orna.bib, line 41, warning: overriding existing definition of macro "hp_l.fix"
/tmp/orna.bib, line 42, warning: overriding existing definition of macro "hp_s.galler"
/tmp/orna.bib, line 43, warning: overriding existing definition of macro "hp_p.godefroid"
/tmp/orna.bib, line 44, warning: overriding existing definition of macro "hp_o.grinchtein"
/tmp/orna.bib, line 45, warning: overriding existing definition of macro "hp_o.grumberg"
/tmp/orna.bib, line 46, warning: overriding existing definition of macro "hp_a.hajnal"
/tmp/orna.bib, line 47, warning: overriding existing definition of macro "hp_d.harel"
/tmp/orna.bib, line 48, warning: overriding existing definition of macro "hp_m.o.hengarner"
/tmp/orna.bib, line 49, warning: overriding existing definition of macro "hp_t.a.henzinger"
/tmp/orna.bib, line 50, warning: overriding existing definition of macro "hp_m.huth"
/tmp/orna.bib, line 51, warning: overriding existing definition of macro "hp_b.jobstmann"
/tmp/orna.bib, line 52, warning: overriding existing definition of macro "hp_s.juvekar"
/tmp/orna.bib, line 53, warning: overriding existing definition of macro "hp_e.krepska"
/tmp/orna.bib, line 54, warning: overriding existing definition of macro "hp_o.kupferman"
/tmp/orna.bib, line 55, warning: overriding existing definition of macro "hp_m.leucker"
/tmp/orna.bib, line 56, warning: overriding existing definition of macro "hp_m.mateescu"
/tmp/orna.bib, line 57, warning: overriding existing definition of macro "hp_d.nickovic"
/tmp/orna.bib, line 58, warning: overriding existing definition of macro "hp_n.piterman"
/tmp/orna.bib, line 59, warning: overriding existing definition of macro "hp_a.pnueli"
invalid token near line 60 (text was ''')
/tmp/orna.bib, line 60, syntax error: found "r", expected "="
/tmp/orna.bib, line 60, syntax error: found "=", expected end of entry ("}" or ")") (skipping to next "@")
/tmp/orna.bib, line 61, warning: 20 characters of junk seen at toplevel
/tmp/orna.bib, line 61, warning: overriding existing definition of macro "hp_s.uchitel"
/tmp/orna.bib, line 62, warning: overriding existing definition of macro "hp_m.y.vardi"
/tmp/orna.bib, line 63, warning: overriding existing definition of macro "hp_d.wagner"
/tmp/orna.bib, line 64, warning: overriding existing definition of macro "hp_h.wang"
/tmp/orna.bib, line 65, warning: overriding existing definition of macro "hp_l.zuck"
