Bor'ba s silikozom
Subtitle: sbornik rabot
Contributors: Bulgaria. Ministerstvo na narodnoto zdrave i sot͡sialnite grizhi
Publisher: Meditsina i fizkul'tura
Published: 1961
Place of publication: Sofiia
Language: rus
Number of pages: 263
Notes: Issued by the Ministerstvo zdravookhraneniia i sotsial'nogo obespecheniia Narodnoĭ respubliki Bolgarii.