00866nam a22002537a 4500999001500000001000400015003000900019005001700028008004500045020001500090020001500105040003800120082001900158245008100177260003800258300004600296504005100342650002200393650002600415650001800441700002400459942001200483952011700495  c4873d4873470BD-DhUAP20201123123110.0201123s1989    enkaenk         1 00eng eng d  a1852930594  a1852932171  aBD-DhUAPcBD-DhUAPdBD-DhUAPbEng  223a576.84 MAS  aMass extinctions : bprocesses and evidence /cedited by Stephen K. Donovan.  aLondon :bBelhaven Press,cc1989.  axiv, 266 pages :billustrations ;c23 cm.  aIncludes bibliographical references and index. 0aMass extinctions. 0aExtinction (Biology). 0aPaleontology.  aDonovan, Stephen K.  2ddccBK  00102ddc4070aUAPCLbUAPCLcGeneral Stacksd2020-11-23o576.84 MASp3010000470r2020-11-23t1w2020-11-23yBK