TY  - BOOK
AU  - Morgan,Michael D.
AU  - Moran,Joseph M.
AU  - Wiersma,James H.
TI  - Environmental science: managing biological & physical resources 
SN  - 0697163091
U1  - 551 M821 1993 
PY  - 1993///
CY  - Dubuque
PB  - Wm. C. Brown Publishers
KW  - Environmental science
N1  - Includes appendix, credits, glossary, and index
ER  -