Polon, David D.
Encyclopedia of engineering signs and symbols - 1st ed. - New York Odyssey Press 1965 - xviii, 412 p. illus. 26 cm.
Includes bibliographies
Engineering
620.03 / POL/1965
Encyclopedia of engineering signs and symbols - 1st ed. - New York Odyssey Press 1965 - xviii, 412 p. illus. 26 cm.
Includes bibliographies
Engineering
620.03 / POL/1965