TY  - GEN
AU  - Van Holm, L
TI  - Efficient use of sustainable biological nutrient management systems: research report 1991 - 1995
SN  - 9552600367
U1  - 633.18 
PY  - 1996///
CY  - Kandy
PB  - BNF Project
KW  - Agriculture
ER  -