TY  - BOOK
AU  - Willis, A. J.
TI  - Introduction to Plant Ecology: Guide for Beginners in the Study of Plant Communities
U1  - 581.5 
PY  - 1973///
CY  - London
PB  - George Allen and Unwin Ltd.
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Plant ecolgy
ER  -