TY - BOOK AU - Morgan,Michael D. ED - Moran, Joseph M. ED - Wiersma, James H. TI - Environmental science: managing biological and physical resources SN - 0697163059 U1 - 333.7 PY - 1993/// CY - Dubuque,Lowa-Melbourne PB - Wm.C.Brown Publishers KW - Environmental science KW - Ecology KW - Environmental economics KW - Environmental management ER -