000 003130000a22001570004500
003 BGCL
020 _c7.00
040 _aBGCL
082 _a530
_bphy 69
245 _aHeat
_cby D.P.Roychaudhury
260 _aKolkata
_bChayan
650 _aPHY.
041 _aeng
700 _aRoychaudhury, D.P.
942 _cBOOK
999 _c14319
_d14319