TY  - BOOK
AU  - J. Sithamparanathan
AU  -  A. Rangasamy  N. Arunachalam
TI  - Ecosystem Principles and Sustainable Agriculture
SN  - 81-87328-20-7
U1  - 630 
PY  - 1999///
CY  - Chennai
PB  - Scitech Publications
ER  -