321 
327 
333 
336 
340 
345 
351 
357 
363 
368 
374 
380 
384 
396 
402 
408 
411 
415 
419 
Zhang, Jianging (P.REPUBLIC OF CHINA) 424 
VirtuoZo Digital Photogrammetry System and its Theoretic Foundation and Key 
Algorithm 
Zhang, Renlin (P.REPUBLIC OF CHINA) 430 
The Contribution of Information Theory to Development of Mapping Theory of 
Digitized Aerial Photographs 
Zotov, Gleb A. (RUSSIA) 437 
Digital Points Transfer for Aerotriangulation by Analytical Plotter 
Appendix 
Authors and Co-authors Index - ISPRS Commission ll 
Keywords Index - Volume XXXI, Part B2 - ISPRS Commission lI