TY  - BOOK
AU  - Koren'Kov, D.A
TI  - Nitrogen Fertilizers
U1  - 631.84 
PY  - 1976///
CY  - New Delhi
PB  - Oxonian Press Pvt. Ltd.
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Nitrogen
ER  -