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Buenos Aires Editorial Glem 1972 .
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By Menéndez Pelayo, Marcelino.
Buenos Aires Editorial Glem 1943

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Buenos Aires Glem 1943 .
3 v. in 1 , Includes index.

By Crowhurst, Norman H..
Buenos Aires Editorial Glem 1969 .
4 v. , Translation of : Basic mathematics. 23 cm..

By Murphy, John S..
Buenos Aires Editorial Glem 1973 .
v. , Translation of : Basics digital computers, volumes II-III.