000 00423nam a2200133Ia 4500
008 211109s9999||||xx |||||||||||||| ||und||
082 _a541
_bBKS-E
100 _aB K Sharma And H Kaur,
245 0 _aEnvironemts Chemistry
260 _bVikas Publishing House
_aNew Delhi
_c1900
630 _xGeneral stack
650 _aNatural sciences & mathematics
_vChemistry & allied sciences
_xPhysical chemistryZoology
942 _cBOOK
999 _c53027
_d53027