Rycroft, David W. Prospects for the drainage of clay soils / David W. Rycroft, Moha med H. Amer. - Rome : Food and Agriculture Organization of the United Nations, 1995. - xii, 134 p. : ill. ; 30 cm. - FAO irrigation and drainage paper 51 0254-5284 ; . "M-56"--T.p. verso. Includes bibliographical references (p. 123-134). ISBN: 9251036241 LCCN: 95-217907 Subjects--Topical Terms: Clay soils.--------Drainage.--------