Box, Paul C., author
Institut of Transportation Engineers, 1976
Buku Referensi
editor, Robert H. Perry
McGraw-Hill, 1976
Buku Referensi
Nippon Steel Corporation, [date of publication not identified]
Buku Referensi
edited by Byron D. Tapley
John Wiley & Sons, 1990
Buku Referensi
Peters, Pamela, author
Wm.C. Brown Pub., 1993
Buku Referensi