T. M. Proctor

The design and calibration of a novel piezoelectric point contact high fidelity ultrasonic transducer : 11th World Conference on Nondestructive Testing, Las Vegas, Nevada (United States), 3–8 Nov. 1985. Vol. 2, pp. 891–893. Taylor Publishing Co., Dallas (1985)

N. N. Hsu, S. E. Fick, T. M. Proctor, 1992 .

Transient waves in an elastic plate: Theory and experiment compared

F. R. Breckenridge, T. M. Proctor, Y. H. Pao, 1983 .