References: 
1. F.Amer 
2. D.W.Proctor, 
S.Robinson & 
S.H.Hill 
3. N.Tawfik 
4. C.M.A.Van den Hout 
5. F.Ackermann 
6. P.R.J.Boniface 
"Digital Block Adjustment" - Photogrammetric 
Record, Vol.4, p.34. 
"Recent Experiences in Analytical Aerial 
Triangulation" - Photogrammetria XIX No.8, 
p.525. 
"The Accuracy and Economy of Approximate 
Methods of Block Adjustment" - Ph.D.Thesis, 
1965, University College, London. 
"The Anblock Method of Planimetric Block 
Adjustment" - Photogrammetria 21, 171-178, 
1969. 
"A Procedure for Analytical Strip Adjustment" 
-I.T.C. Publication A.17. 
"Recent Developments in Aerial Triangulation 
Procedures at Aircraft Operating Company" - 
Paper presented to Fourth South African 
National Survey Conference, July, 1970. 
ANALYTI 
H.S. Willi: 
Abstract 
Ana 
usin 
mea 
may 
(call 
effic 
com 
avai 
1. Introd 
Analytica 
precise pl 
Generally, 
Scopic vie 
instrumen 
inseparabl 
procedure; 
hands of tl 
very expel 
has furthe 
organisati 
extent ren 
undoubted] 
photogram 
the high o 
recording 
tion and ac 
interventic 
Interest i 
for stereo 
al. (1962), 
at the U. S 
majority o 
frames re 
rails or d« 
remain in