000 002790000a22001450004500
003 MACL
040 _aMACL
090 _c32279
_d32277
100 _aGupta, R.
245 _aPhysics
260 _bRamesh Publishing
350 _a60
650 _aPhysics
942 _cBOOK
_k530/GUP
999 _c31950
_d31950