Reviews : Nicholas,David,and Erbach,Gertrude. Online information sources for business and current affairs: an evaluation of Textline,NEXIS,Profile and DIALOG. London,Mansell Publishing Ltd,1989. ix,297 pp. £45.00. ISBN 0 7201 1878 6

Reviews : Nicholas,David,and Erbach,Gertrude. Online information sources for business and current affairs: an evaluation of Textline,NEXIS,Profile and DIALOG. London,Mansell Publishing Ltd,1989. ix,297 pp. £45.00. ISBN 0 7201 1878 6

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