000 00471nam a2200169Ia 4500
008 190329s9999||||xx |||||||||||||| ||und||
020 _a81-7648-379-6
040 _aNITIL
_cNITIL
082 _221st
_a540.7
_bS717R
100 _aSingh, Yogesh kumar
245 0 _aRasayan Vighyan
_bAdhunik Shikshan Vidhiyan
_cYogesh kumar Singh and Archnesh Sharma
260 _aDelhi
_bAPH
_c2003
300 _a171p.
650 _aChemistry
700 _aSharma, Archnesh
942 _cBKS
999 _c64975
_d64975