000 00298nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a9788170998271
100 _aRajbir Singh
245 0 _aGas Chromatography
260 _bMittal Publications
_aNew Delhi
_c2002
650 _aChemistry
942 _cBK
999 _c4242
_d4242