TY  - BOOK
AU  - Ewer, D.W
AU  - Hall, J.B 
AU  - Mitchelmore, June
TI  - Ecological Biology Teacher's Guide
SN  -  0582606470
U1  - 574.5 	 
PY  - 1975///
CY  - London: 
PB  - Longman Group, 
KW  - Life sciences
KW  - Pure Sciences
KW  - Biology | Ecology
ER  -