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*1001 $aWenner, Carl-Gösta$0(NO-TrBIB)2068226$_17168900
*24510$aSome guide-lines for planning of soil conservation :$bchecklist of elements in successful/unsuccessful soil conservation
*260  $aUppsala$c1989
*300  $a30 bl.
*4901 $aRural development studies / Swedish University of Agricultural Sciences, International Rural Development Centre$v25
*830  $aRural development studies$x0346-7287$v25$w999104904654702201$_17169000
*901  $a60
*999  $aoai:nb.bibsys.no:999313428724702202$b2021-11-14T19:41:33Z$z999313428724702202
^