TY  - BOOK
AU  - Purdom, Walton P.
AU  - Anderson, Stanley H.
TI  - Environmental Science: Managing the Environment
SN  - 8584838281
U1  - 304.2 PUR 
PY  - 1980///
CY  - London
PB  - Charles E.Merrill Publishing.
N1  - Includes references and index
ER  -