TY  - GEN
AU  - Allen, John L.
TI  - Annual editions: environment 
SN  - 0072433590
AV  - TD172 .A56 2001
PY  - 2001///
CY  - Connecticut
PB  - McGraw-Hill/Dushkin
KW  - Environment
KW  - Periodicals
KW  - Ecology
N1  - Includes index
ER  -