TY  - BOOK
AU  - Silvertown  jonathan w.
TI  - Introduction to plant population biology
SN  - 0-632-02973-0
AV  - 581.5248/SIL 
U1  - 581.5248/SIL 
PY  - 1993///
CY  - London
PB  - Blackwell scientific
ER  -