RAILROAD TRACK, FRITZFASTENRATH [ed], & GRANT, W. [. (1981). Railroad track theory and practice. Frederick Ungar.
Chicago-čujuhus (17. p.)RAILROAD TRACK, FRITZFASTENRATH [ed], juo Walter [pnj] GRANT. Railroad Track Theory and Practice. New York: Frederick Ungar, 1981.
MLA-čujuhus (9. p.)RAILROAD TRACK, et al. Railroad Track Theory and Practice. Frederick Ungar, 1981.
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