عنوان
پدید آورنده
موضوع
رده
TE 7 .H5 no.628
TE
7
.
H5
no
.
628
کتابخانه
محل استقرار
64294
آخر۲۷
English
)10(
Lighting, visibility, and railroad-highway grade crossings
Washington
National Academy of Sciences
1977
iii, 56 p. : ill. ; 28 cm
Transportation research record, 826
Includes bibliographical references
، Roads-- Visibility-- Addresses, essays, lectures
، Roads - Lighting - Addresses, essays, lectures
، Railroads - Crossings - Addresses, essays, lectures
TE
7
.
H5
no
.
628
AU
Transportation Research Board, Commission on Sociotechnical Systems, National Research Council
TI
SE
National Research Council )U.S.(, Transportation Research Board
01
