1. Railroad accidents and nondestructive inspection;Bray,1976
2. Rail inspection systems analysis and technological survey;Kaiser;Federal Railroad Adm Tech Rep,1977
3. Ultrasonic pulse propagation in the cold-worked layer of railroad rail;Bray;Federal Railroad Adm Tech Rep,1978
4. Rayleigh wave dispersion in the cold-worked layer of used railroad rail;Bray;J Acoustical Soc Am,1978
5. Derailment of a Burlington Northern freight train, Belt. Montana, November 26, 1976;Anon;Natn Transp Safety Board Tech Rep,1977