00581nam a22002174a 45000010005000000350020000050030009000250050017000340080041000510200015000920400035001070410008001420440008001501000019001582450067001772640040002443000017002844400028003016500016003296500018003455357 a(Koha2011)41012AR-ReUNN20260702133110.0240315s1970 xxu eng d a0129102504 aAR-ReUNNbspacAR-ReUNNeaacr20 aeng axxu1 aSharp, John R.10aInformation retrieval : notes for studentsbnotes for students 1aNew York : bSeminar Press, c1970. a90 páginas 0aGrafton Library Science 4aInformacion 4aDocumentacion