Source:
Journal of Computing in Civil Engineering. Mar2006, Vol. 20 Issue 2, p88-98. 11p. 1 Black and White Photograph, 5 Diagrams, 5 Charts, 6 Graphs.
Source:
Journal of Construction Engineering & Management; Jun2007, Vol. 133 Issue 6, p447-461, 15p, 4 Black and White Photographs, 9 Illustrations, 10 Charts, 4 Graphs