Rydge's E.D.P. manual.

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Bibliographic Details
New Title:Rydge's data trend EDP manual
Previous Title:Data trend E.D.P manual
Format: Serial
Language:English
Published: Sydney : Rydge Publications, 1977-1980.
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Description
Published:10th ed. (1977)-13th ed. (1980)
Physical Description:4 v : ill ; 28 cm.
ISSN:0311-2578