TY  - BOOK
AU  - ETHERINGTON, JOHN  R .
AU  - ARMSTRONG, W.
TI  - ENVIRONMENT AND PLANT ECOLOGY / 
U1  - 581.5 
PY  - 1976///
CY  - NEW DELHI
PB  - WILEY EASTERN LTD.
KW  - ECOLOGY - PLANT
ER  -