00649nam a22002057a 4500 BD-DhUL 20141128112846.0 141128s1986 xxua|||| |||| 001 0 eng d 9061935407 BD-DhUL BD-DhUL 574.526322 DAE The Ecology of river systems / B. R. Davies, Keith F. Walker Dordrecht [The Netherlands] ; Boston : W. Junk, 1986. xviii, 793 p. : ill. ; 25 cm. Includes bibliographical references and index. Stream ecology. Davies, B. R. ed. Walker, Keith F. ed. ddc BK 21092 21092 0 0 ddc 0 574_526322000000000_DAE 0 NFIC 40461 DUSL DUSL GEN 1988-03-07 purchased 574.526322 DAE 310183 2014-11-28 2014-11-28 BK 0 0 ddc 0 574_526322000000000_DAE 0 NFIC 40463 DUSL DUSL GEN 1988-03-07 purchased 574.526322 DAE 310184 2014-11-28 2014-11-28 BK