00463nam a2200157Ia 4500082001800000100002700018245005600045260003800101300001000139504002700149650002300176650003600199650002200235650002000257650002800277  a025.174 WIL-;  aWilliams, Bernard J.S. 0aMiniaturised communications: a review of microforms  aLondonbLibrary Associationc1970  a190p.  aIncludes subject index  aNon book materials  aLibraries - Special collections  aLibrary materials  aLibrary science  aMicroforms - Catalogues