TY  - BOOK
AU  - Maclean,Kenneth
AU  - Thomson,Norman
TI  - World environmental problems
SN  - 0702803766
AV  - TD170.2 .M33 1981
U1  - 304.2 19
PY  - 1981///
CY  - Edinburgh
PB  - Bartholomew, Holmes McDougall
KW  - Environmental protection
KW  - Atlases
KW  - Human ecology
ER  -