Matches in Library of Congress for { ?s ?p Chemistry, Technical Research.. }
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- 49010342 subject "Chemistry, Technical Research.".
- 77078825 subject "Chemistry, Technical Research.".
- 77390738%2F%2Fr982 subject "Chemistry, Technical Research.".
- 80497448 subject "Chemistry, Technical Research.".
- 81450893 subject "Chemistry, Technical Research.".
- 86130488 subject "Chemistry, Technical Research.".