(1967). Technical terms, symbols and definitions: In english, french, german, swedish, portuguese, spanish, italian and russian used in soil mechanics and foundation engineering (3rd ed.). Zurich: International Society of Soil Mechanics and Foundation Engineering.
Παραπομπή Chicago StyleTechnical Terms, Symbols and Definitions: In English, French, German, Swedish, Portuguese, Spanish, Italian and Russian Used in Soil Mechanics and Foundation Engineering. 3rd ed. Zurich: International Society of Soil Mechanics and Foundation Engineering, 1967.
Παραπομπή MLATechnical Terms, Symbols and Definitions: In English, French, German, Swedish, Portuguese, Spanish, Italian and Russian Used in Soil Mechanics and Foundation Engineering. 3rd ed. Zurich: International Society of Soil Mechanics and Foundation Engineering, 1967.