Basic Atomic Absorption
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Copyright
Registered 15Feb72 · JP14163 (Jul-Dec 1972) Copyright holder: Communication Skills Corp Registered 1May72 · JP14162 (Jul-Dec 1972) Copyright holder: Communication Skills Corp Registered 25May72 · JP14159 (Jul-Dec 1972) Copyright holder: Communication Skills Corp
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T22:01:13Z