Department of Geomatics Engineering, The University of Calgary
2500 University Drive, N.W.
Calgary, Alberta, Canada
T2N 1N4
(403) 220-8150
403-284-1980
Dr. Yang Gao
gao@geomatics.ucalgary.ca
Beijing University of Civil Engineering and Architecture
15 Yongyuan Road, Huangcun Town, Daxing District, Beijing
(086)15201155918
www.dxkjs.com
Dr. Liu Jianhua
liujianhua@bucea.edu.cn