00952nam a2200265 i 450099100351001970753620021217151752.0961025s1989 uk a b 001 0 eng d1852932171b11822752-39ule_instLE00302122ExLDip.to Biologiaeng576.8422Donovan, Stephen K.531426Mass extinctions :processes and evidence /edited by Stephen K. DonovanLondon :Belhaven Press,c1989xiv, 266 p. :ill. ;24 cmIncludes bibliographies and indexExtinction (Biology).b1182275214-07-1118-12-02991003510019707536LE003 576.84 DON01.01 (1989)12003000036091le003-E0.00-l- 00000.i1207307618-12-02Mass extinctions898670UNISALENTOle00301-01-96ma -enguk 01