[Housing hygiene toward the 50th anniversary of the Great October Socialist Revolution].
D049673:History, 20th Century; D006798:Housing / Q000266:history*; D011635:Public Health Administration / Q000266:history*; D014586:USSR
Gigiena zhilishcha k 50-letiiu Velikoĭ Oktiabr'skoĭ sotsialisticheskoĭ revoliutsii.