Walford's guide to reference material /
Walford, A. J.
Walford's guide to reference material / edited by A. J. Walford. - 4th. ed. - München : G. K. Saur, [1980] - 2 v. ; 25 cm.
Contiene: I: Science & technology. X, 697 p. -- II: Social & historical sciences, philosophy & religion...
Obras de referencia---Bibliografías.
Walford's guide to reference material / edited by A. J. Walford. - 4th. ed. - München : G. K. Saur, [1980] - 2 v. ; 25 cm.
Contiene: I: Science & technology. X, 697 p. -- II: Social & historical sciences, philosophy & religion...
Obras de referencia---Bibliografías.
