Liebman, Matt. Ecological management of agricultural weeds / written and edited by Matt Liebman, Charles L. Mohler, Charles P. Staver. - Cambridge, U.K.: Cambridge University Press, 2001. - xi, 532 p. : ill. ; 26 cm. Includes bibliographical references. ISBN: 0521560683 LCCN: 00068869 Subjects--Topical Terms: Agricultural ecology.Agricultural systems.Tillage.Weeds--Biological control.Weeds--Ecology.