1. Tests on rollers;Noonan;U.S. Bureau of Reclamation, Technical Memorandum,1934
2. Stresses due to the pressure of one solid upon another;Thomas,1930
3. Ultimate load capacity of cast iron wheels for vertical lift fixed-wheel gates;Muzyczka,1992
4. Behavior of cast-iron spillway gate wheels;Polyzois;ASCE Materials in Civil Engng J.,1994