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American Journal of Optometry and Physiological Optics|January 1, 1984
Strength of glass lenses processed in an ultrasonically stimulated chemtempering bathW H Duckworth, A R RosenfieldAmerican Journal of Optometry and Physiological Optics|December 1, 1978
Strength of thin chemtempered lenses: drop-ball testingW H Duckworth, A R Rosenfield, S T Gulati, et al.American Journal of Optometry and Physiological Optics|November 1, 1978
Basic principles of lens fracture testingW H Duckworth, A R Rosenfield, S T Gulati, et al.American Journal of Optometry and Physiological Optics|January 1, 1979
Strength of thin chemtempered lenses: static load testingW H Duckworth, A R Rosenfield, S T Gulati, et al.Pageof 1