1. Mining Engineering and its Development in Swedish Mines;Janelid,1961
2. Research and Development in Swedish Mining;Janelid,1962
3. Development trends of drilling and blasting in Swedish metalliferous mines;Janelid;Berg- und Hüttenm. Monatshefte,1963
4. State and development trends of the loading and haulage operations in Swedish metalliferous Mines;Janelid;Berg- und Hüttenm. Monatshefte,1964
5. Theory of the Flow of Granular and Coarse Materials in Hoppers;Kvapil,1955