V 
Presentation of the paper id MrC G Coleman... …. —.  « "d 112 
Discussion . . … - Ss M ae ae Lg Ne 113 
MEETING ON FRIDAY, 9TH SEPTEMBER (Working Groups 1 and 2) 
Introduction by the President . d. de 116 
Introduction by the Chairman, Mr Fischer N 116 
Invited paper: seq 116 
S. Bousky, Do Present Standards Assure Photographic Interpretability 23 pp 
Discussion . du MUR d ES CR 117 
Discussion on invited and presented papers So UE a A A e E 117 
Continuation of the discussion on presented papers . . . . . - 120 
Related invited paper: seq 124 
T. Maruyasu and M. Nishio, On the Study and Application of Infrared 
Aerlal Photography 2 . 25/9 45 eatin lobe ny il (B0 20 pp 
Related presented papers: 
C. E. Olson, The Aerial PROBEN PR at the Universi of 
lino . .. 27027 see part 2 
J. Zeidner and R. Sonia Research on Human Factors in Image Inter- 
preter Systems: … +. + +500 ee 8 1 19 pp 
MEETING ON SATURDAY, 10TH SEPTEMBER (Working Group 4) 
Introduction by the Président . «4. 0s do 0S fov? 125 
Introduction by the Chairman, Mr Boon . . -, - - ., - + 125 
Invited paper: 
R. G. Miller, The Dep of Trop Vegetation and rss on 
Aerial Photographs .  . : 4 p . 126 
Discussion . lm £c QN T aique e 134 
Announcement of Presented Papers PET ee es 136 
Presented papers: seq 138 
D. Steiner, Die Frage der günstigsten Jahreszeit bei der Landnutzungs- 
interpretation auf panchromatischen Luftbildern . . .. . -. - 6 pp 
H. Ericsson, Concerning Accuracy in Measuring Tree and Stand Heights 12 pp 
FIRST MEETING ON MONDAY, 12TH SEPTEMBER (Working Group 3) 
Introduction by the President .  . 2S Jab el equ EOD rs 139 
Introduction by the Chairman, Prof Mintzer UE MN MR M M OF, 139 
Invited paper: 
O. W. Mintzer, Using Airphotos to Identify Construction Sources of 
Gravel. |. 5. . 4 . Lu nio A ro aM e NC 140 
Discussion  . UNI n E LS 158 
Continuation of the discussion on 14th September nd AN OS T. 161