000 003160000a22001450004500
060 _a100
082 _a631.84 KOR
100 _aKorenkov, D A
245 _aNitrogen fertilizers
260 _aNewdelhi, Oxonian press pvt ltd
260 _c1983
300 _a309
650 _aNitrogen fertilizers
942 _cBK
999 _c355798
_d355798