000 00282nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aV Raghavan
245 _aNaterial science &engineering
260 _bDelhi:PHI
_c1973
300 _a372p.
650 _aComputer
999 _c4723
_d4723