Matches in Library of Congress for { <http://lccn.loc.gov/91175754> ?p ?o. }
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- 91175754 contributor B6502201.
- 91175754 created "1990.".
- 91175754 date "1990".
- 91175754 date "1990.".
- 91175754 dateCopyrighted "1990.".
- 91175754 description "Includes bibliographical references.".
- 91175754 extent "158 p. ;".
- 91175754 issued "1990".
- 91175754 issued "1990.".
- 91175754 language "bul".
- 91175754 publisher "Sofii︠a︡ : Profizdat,".
- 91175754 spatial "Bulgaria.".
- 91175754 subject "HD7741.5 .I93 1990".
- 91175754 subject "Industrial hygiene Bulgaria.".
- 91175754 subject "Occupational health services Bulgaria.".
- 91175754 title "Rabotnicheskoto zdraveopozvane : sot︠s︡ialno-ikonomicheski problemi / Veliko Ivanov.".
- 91175754 type "text".