Problemy starosti
By: [By] A.N. Rubakin
Series: V pomoshchʹ lektoru
Published: 1969
Place of publication: Moskva
Language: rus
Number of pages: 47
Notes: At head of title: Obshchestvo "Znanie" RSFSR. Nauchno-metodicheskii sovet po propagande biologicheskikh i meditsinskikh znanii.