000 00718nab a2200193 1n4500
001 000083162
005 20250722191132.0
008 930316s1989 000 0 eng d
022 _a00167606
041 0 7 _aEng
_2ISO 639-1
084 _aRev 343
100 1 _aKeller, Gerta
_916536
245 1 0 _aExtended period of extinctions across the Cretaceous/Tertiary boundary in planktonic foraminifera of continental-shelf sections :
_bimplications for impact and volcanism theories
504 _abibliogr. p. 1419
773 0 _tGeological Society of America bulletin
_dBoulder : [s.n.], 1989
_g101(11), 1989, p. 1408-1419: : graph., rés.(Angl)
910 _aGSL
_c20150612
_h1025
942 _cANAL
999 _c9017
_d9017