TY  - BOOK
AU  - WILLIS, A J
TI  - Introduction to plant ecology; A guide for beginners in the study of plant communities
U1  - 581.5 
PY  - 1973///
CY  - London
PB  - George Allen & Unwin
KW  - Plant ecology
N1  - A completely revised edition of the late Sir Arthur Tansley's book of the same title
ER  -