1. Considerations on the problem of mining damages;Keinhorst;Gluckauf,1934
2. Contribution to the question of the prediction of mining subsidence;Bals;The Mine Surveying Reports (in Germany, Mitteilungen aus dem Markscheidewesen),1931
3. The subsidence prediction over mining in shallow slope seams;Ehrhardt;Mining Engineering Science (in Germany, Bergbau-Wissenschaften),1961
4. Equation of the subsidence profile;Knothe;Archives of Mining and Metallurgy,1953
5. Observation of surface movements and their theoretical interpretation;Knothe,1957