00642nam a2200217 a 4500 1223 BD-DhGUBL 20250110112622.0 160121s 1989naua|||| |||| 001 0 eng d 0675167442 BD-DhGUBL BD-DhGUBL BD-DhGUBL 23 550 H467f Hesser, Dale T Focus on Earth Science / Dale T Hesser, and Susan S. Leach. New York : McGraw-Hill, 1997. x, 614 p. : ill. ; 26 cm. Includes index. Earth sciences Study and teaching 17496 Leach, Susan S Joint author ddc BK 2693 2693 0 0 ddc 0 1 Biology GUBL GUBL REF 2016-11-15 0 550 H467f 3010001223 2016-11-15 00:00:00 1 2016-11-15 BK