TY  - BOOK
AU  - Allen, John L .-
TI  - Environment
SN  - 9780072506822
U1  - 500 ALL 
PY  - 2002///
CY  - U.S.A
PB  - McGraw-Hill publishers
KW  - Pollution
KW  - Environmental protection
KW  - Ecology
KW  - Environmental sciences
N1  - includes; bibliographical references and indexes
ER  -