1. Merkblatt zur kombinierten Dränung;Anonymous,1976
2. Überarbeiteter Entwurf “Richtlinien für die Durchführung von Rekultivierungen”;Anonymous,1990
3. Compaction of arable soils due to reclamation or off-road military traffic;Becher;Reclam. Reveg. Res.,1985
4. Soil compaction related to agricultural and construction operations;Byrnes;Purdue Univ. Agric. Exp. Stn. Bull.,1982
5. Long-term effects of an oil pipeline installation on soil productivity;Culley;Canad. J. Soil Sci.,1988