TY  - BOOK
AU  - Martin,George .
AU  - Turner,Edward.
TI  - Environment studies
SN  - 0-219-51641-3
U1  - 301.3 MAR 
PY  - 1972///
CY  - Great Britan
PB  - Blond Educational
N1  - Includes bibliographical references and index
ER  -