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020 _a852267495
041 _aEN
082 _a20
_bRAV
_223
100 _aRAVICHANDRA Rao, I.K.
_eaut
245 _aQuantitative methods for library and information science
_c/[by] I.K.Ravichandra Rao
260 _aNew Delhi
_bWiley Eastern
_c1983
300 _axi, 271 p.
500 _aIncludes appendixes and index.
942 _cR