(1977). Bridge Substructure: Higway Engineering. Japan International Cooperatio.
Dyfyniad Arddull ChicagoBridge Substructure: Higway Engineering. Japan International Cooperatio, 1977.
Dyfyniad MLABridge Substructure: Higway Engineering. Japan International Cooperatio, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.