1. Discussion of optimal design in Second Symposium IUTAM in Copenhagen;Křupka,1967
2. Horizontal steel vessels and tubes;Křupka,1968
3. An analysis of lug or saddle-supported cylindrical pressure vessels;Křupka,1969
4. Stresses in large horizontal cylindrical pressure vessels on two saddle supports;Zick;Welding Journal (Research Supplement),1951