R. Hughes
发表
Herman F Huang,
Ronald G. Hughes,
Charles Zegeer,
1999
.
Herman F Huang,
Charles Zegeer,
R Hughes,
1999
.
Ronald G. Hughes,
R. Hughes,
1998
.
Shannon J Fain,
J. Monahan,
N. Rouphail,
2005
.
M. Longair,
J. Shakeshaft,
R. Hughes,
1967
.
Jane C. Stutts,
Joaquin T. Siques,
Ronald G. Hughes,
2001
.
Nagui M Rouphail,
Bastian J Schroeder,
Ronald G Hughes,
2009,
Transportation research record.
Nagui M. Rouphail,
Bastian J Schroeder,
Ronald G. Hughes,
2010
.
R G Hughes,
D L Harkey,
D. Harkey,
2001
.
Bastian J Schroeder,
Ronald G. Hughes,
Thomas Fischer,
2006
.