TY  - BOOK
AU  - Gray, Donald, ed.
TI  - Nondestructive Evaluation of Aging Railroads
T2  - Proceedings of SPIE; V. 2458
SN  - 9780819418111 (Print)
PY  - 1995///
CY  - Washington, USA
PB  - SPIE
UR  - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2458
ER  -