135 
4. H.O. Pub 220, Navigation Dictionary, U.S. Navy 
Hydrographic Office, 1963. 
5. Pictorial Cyclopedia of Photography, First American 
Edition. 
6. Basic Photography, A Primer for Professionals, 2nd 
Edition by M.J. Langford. 
7. Photo Lab Index, Morgan and Morgan, Publishers. 
8. Photogrammetric Engineering (Index), Vol. XL No. 12, 
December 1974. 
The following individuals have contributed substantially 
towards the production of the list of definitions given in 
Appendix A • 
1. Terrence J. Keating (USA) 
» 2. Wallace E. Kerr (USA) 
3. Leonard T. Pimentel (USA) 
4. Frederick A. Sieker (USA) 
i .1 
5. John A. Szorenyi (Australia) 
6. Paul R. Wolf (USA) 
Special recognition is due to Mrs. Sue Brunsell (USA) 
who labored many hours in assisting the WG-3 Chairman in 
compiling and typing the Draft of Definitions. 
V. Future Work and Call for Assistance 
The committee recommends that future work, following 
this Symposium consist of implementing items (7), (8) and 
(9) enumerated in Section II above. To accomplish item (7), 
Working Group-3 of Commission VI issues the following call 
for assistance to photogrammetrists world-wide: 
It is requested: 
(1) that a review be made of the definitions of 
terms given in Appendix A of this paper.