Whitford Walter Ecology of desert systems. - San Diego Acadamic Press 2002 - xvi;343p cm. Bilbliography chapterwise ISBN: 0127472614 3282.81 Source: 3566, 18/03/2005, Efficient General Book Subjects--Topical Terms: Desert Geography Irt Ecology Dewey Class. No.: U214:(G:5), P2