025.402 Bor A Borko. Harold. Abstracting concepts and Methods / Harold Borko. Charles L. Bernier. — New York : Academic Press. 1975. x.250 p. : il..tab. : 23 cm. — (Library and Information Science) "REferences": p. 219-223. ISBN 0-12-118650-4 1. RESUMENES E INDICES I. t.