00354nam a22001217a 4500003000400000005001700004008004100021020002100062082001900083100004700102245004200149260004100191OSt20150801162751.0150801b        xxu||||| |||| 00| 0 eng d  a978-8-7233-803-9  a63631.42   Q13  aGill, William. R. and Vanden Berg, Glen.E.  aSoil Dynamics in tillage and traction  aJodhpurbScientific Publishersc2013