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> B.L. Wellman
B.L. Wellman
B. L.
·
B. W.
·
L. W.
title
ISBN-13
(ISBN-10)
year of publication
Technical Descriptive Geometry
978-0-07-069234-3
(0-07-069234-3)
1957
Technical Descriptive Geometry: Problem Layouts
978-0-07-069237-4
(0-07-069237-8)
1957
B L Williams