@article{5604, author = "Heimes, F.J. and Lorenz, R.W. and Richardson, J. and XIII. Congress of the International Society for Photogrammetry, Helsinki, 1976.Commission VI", title = "The Definition and Specification of Student Performance Objectives in the Aerial Photography Courses at the ITC: an Aspect of the ITC Project Approach ", year = "1976", note = "Tab. v textu, 1 sv.", }