000 00313nam a2200133Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a620.11
_bPAR
100 _aParbin Singh
245 0 _aEngineering materials
250 _a2nd
260 _bLudhiana: Katson pub. House
_c1975
300 _a258
942 _2ddc
999 _c79958
_d79958