Cinqureme congres international des grands barrages, mai-juin 1955 /
Cinqureme congres international des grands barrages, mai-juin 1955 /
Fifth international congress on large dams, may-june 1955
Commission internationale des grands borroges = fifth international congress on large dams, May-June 1955 / International comission on large dams
- volúmenes
Presas
TC540 / I57 1955
Presas
TC540 / I57 1955