TY  - BOOK
AU  - Weaver John E
AU  -  Clements Frederick E
TI  - Plant ecology
T2  - Mcgraw-Hill Publications in the botanical science
U1  - I:5, K6;2 
PY  - 1960///
CY  - New York    
PB  -  McGraw-Hill Book       
KW  -  Plant ecology
KW  - Botany
ER  -