Krebs Ovesen, Niels. Advances in the continuing education of engineers / Niels Krebs Ovesen. - Paris : Unesco, c 1980. - 199 p. ; 24 cm. - 6 . - Studies in engineering education ; . ISBN: 92-3-101832-9 Subjects--Topical Terms: Engineering--Study and teaching (Continuing education). Dewey Class. No.: 620.7 / U3a