000 00272nam a22001217a 4500
041 _aEnglish
082 _a631.4
_bKOR/NI
100 _aKorenkov, D A
245 _aNitrogen fertilizers
260 _aNew Delhi
_bOxonian press pvt.ltd
_c1983
300 _a309
942 _cBK
999 _c175349
_d175349