000 00335nam a2200133Ia 4500
005 20260720174750.0
008 260720s2006 xx 000 0 und d
041 _aeng
082 _a547.1 RAOU
100 _aC N R Rao
_9271574
245 _aUnderstanding chemistry
260 _aHyderabhadh
_bUniversities Press
_c2006
300 _a298p
999 _c245778
_d245778