1.

図書
図書
1. Conference on soils for engineering purposes : conference papers : with discussions appended = Congreso sobre suelos para fines de ingenieria : memoria del congreso : con discusiones suplementarias
sponsored by Committee D-18 on Soils for Engineering Purposes, American Society for Testing Materials. Sociedad Mexicana de Mecanica de Suelos, A.C.
出版情報: Philadelphia : ASTM, [1957]
シリーズ名: ASTM special technical publication ; no. 232
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2.

図書
図書
2. Year book of labour statistics = Annuaire des statistiques du travail = Anuario de estadisticas del trabajo
International Labour Office
出版情報: Geneva : International Labour Office, 1936-
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