Group 7A Elements: Physical Properties
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Registered 27Oct72 · MP25228 (Jan-Jun 1974) Copyright holder: Kalmia Company Registered 27Oct72 · MP25231 (Jan-Jun 1974) Copyright holder: Kalmia Company
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T22:02:56Z · Suggest a correction