Matches in Library of Congress for { ?s ?p Technology and state Bulgaria.. }
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- 2005454172 subject "Technology and state Bulgaria.".
- 2008423603 subject "Technology and state Bulgaria.".
- 81481648 subject "Technology and state Bulgaria.".
- 82239529%2F%2Fr91 subject "Technology and state Bulgaria.".
- 85153719 subject "Technology and state Bulgaria.".
- 85171268%2F%2Fr902 subject "Technology and state Bulgaria.".
- 86165357 subject "Technology and state Bulgaria.".
- 86194856%2F%2Fr91 subject "Technology and state Bulgaria.".
- 87158727 subject "Technology and state Bulgaria.".
- 87179974 subject "Technology and state Bulgaria.".
- 88172863 subject "Technology and state Bulgaria.".
- 89109091 subject "Technology and state Bulgaria.".
- 90113376 subject "Technology and state Bulgaria.".
- 90144228 subject "Technology and state Bulgaria.".