1. “Evaluation of echoes in ultrasonic testing by deconvolution”;Nabel;Material Evaluation,1978
2. “An assessment of the detecting ability of the angle beam interrogation method”;Serabian;Material Evaluation,1981
3. “The use of radiation field theory to determine the size and shape of unknown reflectors by ultrasonic spectroscopy”;Gilmore;Material Evaluation,1977
4. D.K. Mak “Evaluation of size and orientation of scatterers by ultrasonic spectroscopy”. Proceedings of the Fifth Pan Pacific Conference on Nondestructive Testing (1987) pp 31–41.
5. “Fundamentals of acoustics”;Kinsler,1962