Izumi Okura
- Improvement of Congestion Detection on Expressways. Dans: Journal of Transportation Engineering, v. 111, n. 4 (juillet 1985). (1985):
- Eleventh International Symposium on Transportation and Traffic Theory. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 425 (janvier 1991). (1991):
- Passenger Car Equivalents Of Heavy Vehicles For Uncongested Motorway Traffic From Macroscopic Approach. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1995, n. 512 ( 1995). (1995):
- Measuring Level Of Services On Multi-lane Expressways By Platoon Parameters. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 772 (octobre 2004). (2004):
- Car Sharing Field Tests On The First Stage And Needs Of Transport Planning. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2005, n. 786 ( 2005). (2005):