Krug, C. A. World coffee survey/ by C.A. Krug and R.A. De Poerck. - Rome : Food and Agriculture Organization of the United Nations, 1968. - xii, 476 p. : 0 ISBN: SOCSC2851 Subjects--Topical Terms: Coffee-agricultural economics.------ Dewey Class. No.: 338.17373 / Wo