"Information Systems Congresses." . . "Science and technology libraries Congresses." . . "Science and technology libraries." . . "Institute of Information Scientists. Conference" . . . "Conference proceedings"@en . . . . "Conference papers and proceedings" . . . . . . . . . . "Proceedings of the Third Conference at the University of Sheffield, 23-25 July 1968"@en . . "Proceedings of the Third Conference at the University of Sheffield, 23-25 July 1968" . "Information Services Congresses." . . . .