TY  - BOOK
AU  - Trivedy, R. K.
TI  - Practical methods in ecology and environmental science
PY  - 1987///
CY  - Enviro Media Publications
PB  - Karad
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=10087
ER  -