References
- Osumi , S . 2008 . Planning and execution of aluminium alloy walkway widening slabs . Aluminium , 15 ( 72 ) : 62 – 65 .
- Yamada , M , Yamada , H and Osumi , S . 2004 . Addition of traffic lanes and widening of walkways on existing bridges to alleviate traffic congestion . Bridge and City Project , : 8 – 11 .
- Sumikei-Nikkei Engineering (K.K.). General catalogue, aluminium slabs
- For example: Yamaguchi S, Osumi S, Watanabe K, Kumotani M, Tanaka S. Decking and a manufacturing method for this. JP 3636622 (B); 14 January 2005