00896cam a2200265 a 45000010008000000030008000080050017000160080041000330100017000740200026000910200032001170400027001490500025001760820023002011000030002242450091002542600049003453000041003943650015004355040068004506500024005186500039005427000024005817400025006052941102BD-DhUL20141128152247.0900227s1990    enkab    b    001 0 eng    a   90000327   a1852930217 :c£27.50  a1852931272 (pbk.) :c£8.95  aDLCcDLCdDLCdBD-DhUL00aQH541.5.F7bJ44 199000a574.52632220bJEF1 aJeffries, Mike J.,d1958-10aFreshwater ecology :bprinciples and applications /cMichael Jeffries and Derek Mills.  aLondon ;aNew York :bBelhaven Press,c1990.  aviii, 285 p. :bill., maps ;c24 cm.  aUS$b60.00  aIncludes bibliographical references (p. [254]-275) and indexes. 0aFreshwater ecology. 0aNaturexEffect of human beings on.1 aMills, Derek Henry.0 aFresh water ecology.