TY  - BOOK
AU  - Hammersley, A
TI  - Approaches to environmental studies: a handbook for teachers, students and other interested in the world around them
U1  - 301.31 
PY  - 1968///
CY  - London
PB  - Blandford Press
KW  - Ecology
KW  - Enviroment
N1  - HB; Includes index
ER  -