26 Years of Cooperative Research on North American Railroad Tank Car Safety Pasternak, D.J. and C.P.L. Barkan. 1997. 26 Years of Cooperative Research on North American Railroad Tank Car Safety. In: Mechanical Working and Steel Processing Conference Proceedings, Iron and Steel Society of AIME. Warrendale, PA, pp. 1139-1147. Files We're sorry. At this time, we do not have a full text copy of this text available. Categories Safety and Risk