TY  - BOOK
AU  -  W.Armstrong
TI  - Environment and plant ecology; with a contributed chapter
U1  - 581.5  L5 
PY  - 1975///
CY  - London
PB  - John Wiley
KW  - Armstrong, W.
KW  - Etherington, John R.
KW  - Botany-Ecology
ER  -