000 00315nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c195/-
040 _aET
100 _aCHATTERJEE S.K
245 0 _aX-RAY DIFFRACTION
260 _bPHI LEARNING
_aNEW DELHI
300 _a213
500 _a28458
942 _cBK
999 _c34473
_d34473