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Titre :
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Charging for computer based reference services : proceedings of a program
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Auteurs :
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American Library Association. Conference (1977 ; Detroit) ;
Peter G. WATSON
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Type de document :
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texte imprimé
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Editeur :
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ChicagoLondon : ALA, 1978
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Sous-collection :
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ISBN/ISSN/EAN :
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0-8389-6356-0
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Format :
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49 p. / 28 cm.
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Langues:
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Anglais
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Mention responsabilité :
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organised by the Machine-Assisted Reference Section (MARS) ; the Reference and Adult Services Division ; at the American Library Association Conference ; June 1977 ; Detroit ; ed. Peter G. Watson
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