Sheffield, Justin. Sheffield, Justin. Drought : past problems and future scenarios / Justin Sheffield and Eric F. Wood - / . - London : Earthscan , 2011. - xiii,210p.: figure, table ; 23cm. includes bibliographical references and index. ISBN: 9781849710824 GBP55.00 (hb) Subjects--Index Terms: DROUGHT Dewey Class. No.: 363.34929