TY  - BOOK
TI  - Macmillan encyclopedia of the environment
SN  - 002897381X(set)
U1  - R 333.7 M22 
PY  - 1997///
CY  - New York
PB  - Macmillan Library Reference
KW  - Ecology
KW  - Dictionaries
KW  - Environmental protection
N1  - Includes bibliographical references and index
ER  -