Mapping activities : Skylab and ERTS imagery /
Stewart, R. A.
Fleming, E. A.
Guelph :  University of Guelph, 
1974.
Xerox of a paper presented at the Second Canadian Symposium on Remote Sensing, University of Guelph, Guelph, Ontario, April 29-May 1, 1974. 28 x 22 cm.
Remote Control Systems.
Aerial photography in geography.