Inquiry Development Program In Earth Science
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Copyright
Registered 7Nov68 · MP30336 (Jan-Jun 1977) Copyright holder: Science Research Associates, Inc Registered 13Aug68 · MP30546 (Jan-Jun 1977) Copyright holder: Science Research Associates, Inc
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T22:04:37Z