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388 p. 24 cm..
8471336014

By Lancaster, Frederick Wilfrid.
Madrid, Espana Editorial La Muralla 1993 , Translation of: If you want to evaluate your library. 24 cm..
8488716214

By Dean, Joan..
Madrid Editorial La Muralla, S.A. 1997 .
314 p. 21 cm..
8471336758

Madrid Editorial la Muralla .
239 p. , Includes index. 9788471337832

By Cuesta Gómez, José Luis.
Madrid Editorial La Muralla 2009 .
184 p. 9788471337818