1. Second international symposium on problems related to the redefinition of north American vertical geodetic networks, Ottawa, Canada, May 26- 30, 1980
پدیدآورنده : sponsors: canadian institute of surveying, surveys and mapping branch
کتابخانه: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
موضوع : ، Geodesy
رده :
QB
275
.
P76
2. Sponsors: Canadian Institute of Surveying surveys and mapping branch of the department of energy, mines and resources in cooperation with Commission IV of the international society of photogrammetry. Ottawa, Canada; the Canadian institute of surveying, 1978
پدیدآورنده :
کتابخانه: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
موضوع : ، Cartography
رده :
GA
105
.
I4
