TY  - BOOK
AU  - Parker,S.P.
TI  - McGraw-Hill encyclopedia of environmental science
SN  - 0070452644 :
AV  - QH540.4 .M33 1980
PY  - 1980///
CY  - New York
PB  - McGraw-Hill
KW  - Ecology
KW  - Dictionaries
ER  -