000 00319nam a2200133Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a530
082 _bMAT/M
100 _aD.S
_bMATHUR
245 0 _aELEMENTS OF PROPERTIES OF MATTER
260 _aRAM NAGAR ,NEW DELHI
260 _bSHYAMLAL CHARITABLE
260 _c1949
999 _c4866
_d4866