Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio '', amser ymholiad: 0.24e Mireinio'r Canlyniadau
1
New York, NY : American Society of Civil Engineers, 1986

Conference Proceeding
2
New York : American Society of Civil Engineers, 1972

Conference Proceeding Llyfr
3
New York, N.Y. : ASCE, 1985

Conference Proceeding Llyfr