000 00312nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aJ.N. Gurtu
245 0 _aPhase Rule
250 _a3rd Ed
260 _aMeerut
260 _bK.K.Mittal Publication
260 _c1976
650 _aPhase Rule
942 _cBK
999 _c5486
_d5486