1. ‘Unbalanced magnetic pull in a 6-pole 10 kW induction motor with a series-connected stator winding’, ERA Report, 5216, 1968
2. ‘Vibratory forces resulting from rotating air-gap eccentricity in a six-pole induction motor’, ERA Report, 71-83, 1971
3. ‘Air-gap eccentricity in induction motors’, ERA Report, 74-1188, 1974