Discussion of " State-of-the-Art of Ballastless Track at-Grade by Walter L. Wheeler"

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by Tom E. Halterman, (A.M.ASCE), Transit Engr.; Urban Engrs., Inc., Philadelphia, Pa.,

Serial Information: Transportation Engineering Journal of ASCE, 1977, Vol. 103, Issue 1, Pg. 220-220

Document Type: Discussion & Closure

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