1. ISTCGCAP
  2. All Volumes and Issues
  3. Volume 18, 1973
  4. The experience of observations of landmarks using diaphragms

The experience of observations of landmarks using diaphragms

ISTCGCAP.
1973;
Volume 18, Number 18
: 54-56
Authors:
  1. I. N. Kmetko
  2. I. S. Pandul
1
Lviv Politecnic National University
2
St. Petersburg Mining University