00240nam a2200097Ia 4500008004100000082001700041100002100058245001900079260003600098300000800134140113s9999    xx            000 0 und d  a632.937   K0  a"Livesley, M.C."  aField drainage  a1960bE.O.F.N.Spon Ltd.cLondon  a187