TY  - BOOK
AU  - Whittaker,Robert Harding
TI  - Communities and ecosystems
T2  - Current concepts in biology. A Macmillan series / Ed. : N.H. Giles et al
PY  - 1970///
CY  - London
PB  - The Macmillan Co., Collier-Macmillan Ltd.
KW  - Ecology
N1  - Includes bibliogr. references and index
ER  -