TY  - BOOK
AU  - Weaver John E
AU  -  Clements Frederic F
TI  - Plant ecology
T2  - Mcgraw-Hill publications in the botanic sciences
U1  - I:5, G8;2 
PY  - 1938///
CY  - New York    
PB  -  Mcgraw-Hill Book Company      
KW  -  Plant ecology
KW  - Botany
ER  -