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N°189. 1988. CEB-FIP Model Code 1990 - Supplementary Documents for the 1st Pre-draft.
N°190. 1988. CEB-FIP Model Code 1990 - First Predraft - Vol. 2
N°190. 1988. CEB-FIP Model Code 1990 - First Predraft - Vol. 1
N°198. 1990. CEB-FIP Model Code 1990 - First Draft, Addendum.