000 00573 a2200277 4500
001 41236
020 _a0-444-41182-83
041 _aeng
080 _a56:591 Bou
245 _aEvolution and extinction rate controls
250 _a
260 _aAmsterdam
260 _bElsevier Scientific Pub.,
260 _c1975
300 _axv,427 p.
300 _c24 cm
490 _a
100 _aBoucot, Arthur J.
700 _a
650 _a
650 _aPaleontology
650 _aExtinction (Biology)
650 _aGeological time
942 _cBK
942 _2UDC
999 _c30410
_d30410