[Scientific cooperation on the hygiene of atmospheric air within the framework of CEMA].
D000397:Air Pollution; D002031:Bulgaria; D003604:Czechoslovakia; D005859:Germany, East; D007391:International Cooperation; D011044:Poland; D012383:Romania; D014586:USSR
Nauchnoe sotrudnichestvo po gigiene atmosfernogo vozdukha v ramkakh SEV.