Construccion del tunel de Maule (Complejo Pehuenche, Chile)

Abadia Anadon, F. / Fernandez Gonzalez, R. / International Tunnelling Association et al. | British Library Conference Proceedings | 1992

Petenwell hydroelectric project

Fucik, E.M. | Engineering Index Backfile | 1951

Chile's Sulphur Acid Production

Online Contents | 1994

Binga hydroelectric project

Zablan, F.M. | Engineering Index Backfile | 1961

Waneta hydroelectric project

Samuel, Jr., A.F. / Fisher, W.E. | Engineering Index Backfile | 1955