Keller Funderingstechniken - Tudor Blok 32.1 - Woongebouw gefundeerd met grindkolommen in Hoofddorp Скачать
Keller Spain. Slope Stabilization Works. “Area Sur shopping center”, in Jerez de la Frontera (Cadiz) Скачать
Keller Polska- Lublin hospital, complex geotechnical works: excavation support & ground improvement. Скачать
Hydrotechnical engineering works - Keller Polska, Wisłoujście wharf, Gdańsk and Gdynia harbours Скачать