TY  - BOOK
AU  - Beek, J.,
TI  - Simulation of Nitrogen Behaviowr in Soils
SN  - 9022004406
U1  - 631.43 
PY  - 1973///
CY  - Netherlands
PB  - Centre for Agricultural Pub. & Docu.
KW  - Techniques, equipment & materials
ER  -