[The creative path of member-correspondent of the Bulgarian Academy of Sciences Prof. Petur Nikolov (on the occasion of his 80th birthday)].
D002031:Bulgaria; D049672:History, 19th Century; D049673:History, 20th Century; D010600:Pharmacology / Q000266:history
Tvorcheskiiat put na chlen-korespondent na BAN Prof. D-r Petur Nikolov (po sluchai 80-godishninata mu)