TY  - BOOK
AU  - Weaver,John E.
AU  - Clements,Frederic E.
TI  - Plant ecology
U1  - 581.5 
PY  - 1938///
CY  - New Delhi
PB  - Tata McGraw- Hill Book Company LTD.
KW  - Botany
KW  - Ecology
KW  - Plant ecology
KW  - Vecetation; its origin, development, and structure
ER  -