KREBS, Charles J text California Harpencollins colage Publishers 1994 eng 786 p : ilus ; 26 cm KREBS, Charles J ECOLOGY SYSTEM 630*18 630*18 ISBN 0-06-500410-8 630*18 231012 20231012111735 INLIS000000000000330 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)