000 00321nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a541.3
_bTUL/B
100 _aSONI, P.L.
100 _aTULI, G.D.
245 0 _aB.Sc. PHYSICAL CHEMISTRY
260 _bShyam Lal Charitable Trust, New Delhi
_aNew Delhi
_c1988
942 _cBK
999 _c2263
_d2263