Material evaluation study :
Ballast and Foundation Materials Research Program /
[Knutson, R. M. ... et al. ; Dept. of Civil Engineering, University of Illinois, Urbana-Champaign Campus].
APA Citation
Knutson, R. M., University of Illinois at Urbana-Champaign. Department of Civil Engineering. (1977). Material evaluation study: Ballast and Foundation Materials Research Program. Washington: Federal Railroad Administration, Office of Research and Development .
MLA Citation
Knutson, R. M, and University of Illinois at Urbana-Champaign. Department of Civil Engineering. Material Evaluation Study: Ballast And Foundation Materials Research Program. Washington: Federal Railroad Administration, Office of Research and Development , 1977.
Warning: These citations may not always be complete (especially for serials).