TY - BOOK ID - 145760620 TI - Cretaceous-Tertiary mass extinctions : biotic and environmental changes AU - MacLeod, Norman AU - Keller, Gerta PY - 1996 SN - 0393966577 PB - New York : W. W. Norton, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:145760620 AB - ER -