000 00449nam a2200133Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a540.92
_bJSG-P
100 _aJ S Gupta,
245 0 _aP C Ray
260 _bNational Book Trust
_aNew Delhi
_c1900
630 _xGeneral Stack
650 _aNatural Science & mathematics
_vChemistry & allied science
_xChemistry & allied scienceHistorical, geographical & persons treatmentGeneralia
942 _cBOOK
999 _c83845
_d83845