%0 Conference Proceedings %B Proceedings of the 9th Construction Specialty Conference %D 2011 %T Rapid tracking of pipe-works progress using digital photogrammetry %A M Ahmed %A C Haas %A A Shahi %A A Aryan %A J West %A R Haas %B Proceedings of the 9th Construction Specialty Conference %P 14-17 %G eng %U https://scholar.google.ca/scholar?hl=en&as_sdt=0,5&cluster=6925103191493667810