TY  - BOOK
AU  - Cragg, J. B.
TI  -  Advances in ecological research. Vol. 4
U1  - 574.5 
KW  - Ecology, biology
KW  - Pattern and Process in Competition, A Synopsis of the Pesticide Problem, The General Biology and thermal balance of Penguins, Ecological Studies at Lough Ine
ER  -