TY  - BOOK
AU  - Whittaker,Robert Harding
TI  - Communities and ecosystems / 
SN  -  0024273902
U1  - 574.824  
PY  - 1975///]
CY  -  New York : 
PB  -  Macmillan, 
KW  - Ecology
N1  -  Includes bibliographical references and index
ER  -