000			00441nam a2200157Ia 4500
008			190329s9999||||xx |||||||||||||| ||und||
020			_a9788170007340
040			_aNITIL _cNITIL
082			_221st _a025.524 _bS949I
100			_aShukla, Shiva
245		0	_aInformation retrieval _cShiva Shukla
260			_aNew Delhi _bEss Ess Publications _c2014
300			_axi, 611p.
650			_aLIBRARY SCIENCE; INFORMATION RETRIEVAL
942			_cBKS
999			_c77487 _d77487