TY  - BOOK
AU  - Whittaker Robert H Ed.
AU  -  Levin Simon A Ed.
TI  - Niche theory and application
T2  - Benchmark papers in ecology; 3
U1  - G:5, L5 
PY  - 1975///
CY  - Stroudsburg
PB  - Dowden hutchinson & ross      
KW  - Ecology
ER  -