000 00274nam a22001337a 4500
003 SGT
020 _a9788121908153
082 _bMAT
100 _aMATHUR D.S
245 _aELEMENTS OF PROPERTIES OF MATTER
260 _bS.CHAND
_c2018
300 _a580
942 _2ddc
_cBK
999 _c16442
_d16442