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2. Brown JD, Meyerhof GG (1969) Experimental study on bearing capacity in layered clays. In: Proceedings of the 7th international conference on soil mechanics foundation engineering, Mexico, vol. 2, pp 5–51
3. DIN 4017 (2006) Baugrund-Berechnung des Grundbruchwiderstands von Flachgründungen
4. EN 1997-1 (2004) Eurocode 7-geotechnical design, Part 1: general rules European Committee for Standardizations, Brussels
5. EN 1998-5 (2004) Eurocode 8—design of structures for earthquake resistance, Part 5: foundations, retaining structures and geotechnical aspects. European Committee for Standardization, Brussels