TY  - BOOK
AU  - Whittaker,Robert H.(Robert Harding)
AU  - Levin,Simon A.(Simon A.)
TI  - Niche: theory and application 
SN  - 0470941170
U1  - 577.82 23
PY  - 1975///
CY  - Stroudsburg, Pa.
PB  - Dowden, Hutchinson & Ross
KW  - Ecology
KW  - Species
KW  - Biotic communities
KW  - Ecología
KW  - Especies
KW  - Comunidades bióticas
N1  - Includes bibliographical references and index
ER  -