00547nam a2200193 a 450000500170000000800410001702000240005802000180008205000210010008200130012110000210013424500510015526000580020630000210026450000200028565000160030565000200032165000120034120260618135122.0840625s1984    enka     b    001 0 eng    a0713164050 (pbk.) :  a978071316405300aGB561b.K65 198400a551.48/31 aKnighton, David.10aFluvial forms and processes /cDavid Knighton.  aLondon ;aBaltimore, Md., U.S.A. :bE. Arnold,c1984.  a218 p. :bill. ;  aIncludes index. 0aWatersheds. 0aRiver channels. 0aRivers.