Hirofumi Imada
- Traffic Engineering Laboratory in Cluster IV (Structural Engineering and Architect), Hiroshima Unirersity. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1988, n. 389 ( 1988). (1988):
- A Factor Analysis On Decrease In The Visibility Of Road Markings At Rainy Nights And Improvements Of The Visibil. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1989, n. 407 (Juli 1989). (1989):
- A Three-dimensional Analysis On Retro-reflective Characteristics Of Glass Beads Fixed In Road Markings. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1990, n. 413 ( 1990). (1990):
- A Basic Study On Traffic Safety Evaluation System For Urban Road Network. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 425 (Januar 1991). (1991):
- Theoretical Study On Effects Of Convexities Placed On The Surface Of Road Marking On The Visibility. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1996, n. 530 (Januar 1996). (1996):
- The Proposition Of Road Marks To Apply Thermoplastic Materials On Expressways And Its Practical Application. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1996, n. 540 (Juni 1996). (1996):
- Theoretical Analysis On The Visibility Of Raised-rib Road Markings On A Rainy Night. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 618 (April 1999). (1999):