Author Details
Преображенский, В.
| Issue | Section | Title | File |
| Vol 32, No 7 (1936) | Articles | Gumma orbits |
 (Rus) |
| Vol 25, No 6 (1929) | Articles | To the anniversary of Prof. D. O. Ott |
(Rus) |
| Vol 29, No 5-6 (1933) | Articles | Consumer goods in the service of preventing blindness |
(Rus) |
| Vol 29, No 8-9 (1933) | Articles | Organization of school activities for the visually impaired |
(Rus) |