Eleventh International Congress of the FIP (FIP'90) in Hanburg, Germany - Vol. 3 (1990) - Proceedings (PDF) Eleventh International Congress of the FIP (FIP'90) in Hamburg, Germany - Vol. 1 (1990) - Proceedings (PDF)
Eleventh International Congress of the FIP (FIP'90) in Hanburg, Germany - Vol. 2 (1990) - Proceedings (PDF)
N° 34. Improvement of Quality, Rationalisation of the Building Process, Concrete Structures, and Modern Technology - Vol2. - Proceedings of the 11th International Congress of FIP'90 (305 pages - 4-9 June 1990) - Hanburg, Germany PDF format