TY  - BOOK
AU  - Pankhurst C Ed.
AU  -  Doube B M Ed.
AU  -  Gupta V V S R Ed.
TI  - Biological indicators of soil health
U1  - J : 1-424, N7 
PY  - 1997///
CY  - Wallingford
PB  - CAB International      
ER  -