Kohler, Heinz, 1934- Scarcity challenged : an introduction to economics. / Heinz Kohler - New York : Holt, Rinehart and Winston, [1968] - xxviii, 660 p. illus. 25 cm. Includes index. Subjects--Topical Terms: Economics.scarcity. Dewey Class. No.: 330 / KOS 1968