000 00245nam a2200109Ia 4500
008 220201s1991 xx 000 0 eng d
100 _aNARANG B S
245 0 _aMATERIAL SCIENCE
260 _aDELHI
_bCBS PUB
_c1991
300 _a355
942 _2ddc
999 _c91130
_d91130