Johns, Ada Winifred.
Special libraries : development of the concept, their organizations, and their services. Ada Winifred Johns - Metuchen, N.J. : Scarecrow Press, 1968. - 245 p. ; 23 cm.
Includes bibliographical references.
68012628
Special libraries.
Engineering libraries.
Z675.A2 / J57
026 / JOS
Special libraries : development of the concept, their organizations, and their services. Ada Winifred Johns - Metuchen, N.J. : Scarecrow Press, 1968. - 245 p. ; 23 cm.
Includes bibliographical references.
68012628
Special libraries.
Engineering libraries.
Z675.A2 / J57
026 / JOS