TY  - BOOK
AU  - Etherington, J R 
TI  - Environmental and plant ecology.
SN  - 0852262434
U1  - 581.5 22
PY  - 1975///
CY  - New Delhi
PB  - Wiley Eastern LTD.
KW  - Ecologia vegetal %% Plant ecology
N1  - Includes bibliographical references and index
ER  -