Müller, Heinz. “The Selection of Building Process According to the Inner Comparative Substantiation control/Baubetriebliche Verfahrensauswahl Mit Vergleichsinternen plausibilitätskontrollen”. Journal of Civil Engineering and Management 3, no. 12 (December 31, 1997): 74-81. Accessed September 21, 2020. https://journals.vgtu.lt/index.php/JCEM/article/view/9463.