000 00275nam a2200121Ia 4500
008 220201s1964 xx 000 0 eng d
082 _a620.11
100 _aJmehta,JC
245 0 _aStg. Of materials
260 _bNew Asia pub: Delhi-6
_c1964
300 _a478
942 _2ddc
999 _c73102
_d73102