000 00244nam a2200109Ia 4500
082 _a620.11
_bKHA
100 _aKhanna,O.P.
245 _aMaterials science
260 _bDhanpat Rai Publication
_aNew Delhi
_c2011
300 _aVp.
942 _2ddc
_cBK
999 _c5307
_d5307