TY  - BOOK
AU  - Ewer,D.W.
AU  - Hall,J.B.
AU  - Clerk,G.C.
TI  - Ecological biology 1 for A-level and intermediate students in Africa: Organisms and their environments 
SN  - 0582609429 (v. 1) :
U1  - 574.5 
PY  - 1972///
CY  - London
PB  - Longman
KW  - Ecology
KW  - Juvenile literature
KW  - Biology
N1  - Includes bibliographies and index; v. 1. Organisms and their environments
ER  -