Appropriate industrial technology for basic industries / United Nations Industrial Development Organization. - New York : United Nations, 1981. - xiii, 94 p. - Monographs on appropriate industrial technology ; no. 13 . Subjects--Topical Terms: Appropriate technology--Developing countries. LC Class. No.: T49.5 / .A635 1981 Dewey Class. No.: 338.4/0954�19