Weller, Milton Webster. Freshwater marshes : ecology and wildlife management / Milton W. Weller. - Minneapolis : University of Minnesota Press, c1981. - xv, 146 p., [4] leaves of plates : ill. (some col.) ; 24 cm. Includes index. Bibliography: p. 127-137. ISBN: 0816610614 : $22.50 0816610622 (pbk.) : $8.95 Subjects--Topical Terms: Freshwater ecology.Marsh ecology.Wetland conservation.Wildlife management. LC Class. No.: QH541.5.M3 / W44 Dewey Class. No.: 574.5/26325