00590nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001400102100001900116245003700135260003800172300001100210490004300221650004100264700002400305830004300329CHAP20220329134511.0971013s1975    nyu     r     00010 eng d  a21244  a22216  a26309  cCHAP04a029.4bB600aBorko, Harold.1 aAbstracting concepts and methods  aNew York :bAcademic Press,c1975  a250 p. 0aLibrary and information science series14aTrabajos científicosxResúmenes.0 aBernier, Charles L.0 aLibrary and information science series