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020 _a978-81-269-0781-6
082 _a546.224
082 _bTHA/R
100 _aR.S
_bTHAKUR
245 0 _aROLE OF SYMMETRY ,GROUPS AND METRICS IN CHEMISTRY
260 _aNEW DELHI
260 _bATLANTIC PUBLISHERS
999 _c210
_d210