Hiroshi Yokohira
- (1990): The Processes Of The Horizontal Urbanization Of Sapporo Street From A View Point Of The Soil Bearing Capacity. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1990, n. 419 (July 1990).
- (2002): The decline and the revival in the local society of coal mining. In: Historical Studies in Civil Engineering, v. 22 ( 2002).
- (2001): The Forming Process and the Effect of Line on SHOKOTSU Line with Old Japanese National Railway. In: Historical Studies in Civil Engineering, v. 21 ( 2001).
- (1999): The Formation of the Passing over Railways Tunnels and the Passes on the National Road in Kitami Region, Hokkaido. In: Historical Studies in Civil Engineering, v. 19 ( 1999).
- (1998): Study on the loss by the budget distribution of the railway construction to please everybody. In: Historical Studies in Civil Engineering, v. 18 ( 1998).
- (1998): The raiway planning of YUBETSU line with old railway in HOKKAIDO and effects of construction for alternative line. In: Historical Studies in Civil Engineering, v. 18 ( 1998).
- (1997): The Comparison of alternating order of the execution of work on ABASHIRI line and NAYORO line with old JR railway in HOKKAIDO. In: Historical Studies in Civil Engineering, v. 17 ( 1997).
Structurae cooperates with
