TY  - BOOK
AU  - Parker, Sybil P (Ed.)
ED  - McGraw Hill (New York)
TI  - McGraw-Hill encyclopedia of environmental science
SN  - 0-07-045264-4
U1  - 304.203 21st
PY  - 1980///
CY  - New York
PB  - McGraw Hill
KW  - Ecology-Dictionaries; Man-Influence on nature-Dictionaries; Environmental protection-Dictionaries
ER  -