DIETER SCHLAGBAUER and DETLEF HECK. (2014) DISTRIBUTION OF BREAKS IN THE CONSTRUCTION INDUSTRY. ISEC Press:ม.ป.ท.DIETER SCHLAGBAUER and DETLEF HECK. 2014. DISTRIBUTION OF BREAKS IN THE CONSTRUCTION INDUSTRY. ม.ป.ท.:ISEC Press;DIETER SCHLAGBAUER and DETLEF HECK. DISTRIBUTION OF BREAKS IN THE CONSTRUCTION INDUSTRY. ม.ป.ท.:ISEC Press, 2014. Print.