Matches in Library of Congress for { <http://lccn.loc.gov/80508128> ?p ?o. }
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- 80508128 contributor B3905113.
- 80508128 created "1979?].".
- 80508128 date "1979".
- 80508128 date "1979?].".
- 80508128 dateCopyrighted "1979?].".
- 80508128 extent "78 p. ;".
- 80508128 issued "1979".
- 80508128 issued "1979?].".
- 80508128 language "bul".
- 80508128 publisher "Varna : [s.n.,".
- 80508128 subject "Electronic data processing Congresses.".
- 80508128 subject "QA75.5 .P49".
- 80508128 type "text".