TY  - BOOK
AU  - M. E. Varley
AU  - Varley,M. E.
TI  - ENERGY FLOW THROUGH ECOSYSTEMS
SN  - 0335041507
U1  - 574.5 
PY  - 1974///
CY  - 
PB  - Open University,Milton Keynes
KW  - Ecology
ER  -