[On the 60th birthday of Professor Vadim Alekseevich Pokrovskiĭ].
D049673:History, 20th Century; D006920:Hygiene / Q000266:history; D012499:Sanitation / Q000266:history; D014116:Toxicology / Q000266:history; D014586:USSR
K 60-letiiu so dnia rozhdeniia professora Vadima Alekseevicha Pokrovskogo.