{"e":{"id":316026,"source":"ia_catalogofcopyr3151213libr","title":"HORIZONS OF SCIENCE","header":"10. ‘Neutrons and the heart of matter","year":1960,"reels":null,"feet":null,"sound":false,"credits":null,"notes":[],"line_start":10583,"line_end":10584,"source_text":"10. ‘Neutrons and the heart of matter. \n© 15Apr60; MP11117. ","source_meta":{"name":"Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1961","url":"https://archive.org/details/catalogofcopyr3151213libr","cite":"Internet Archive catalogofcopyr3151213libr (OCR text)","file":"/root/projects/publicreel/data/raw/cce_third_series/1961_catalogofcopyr3151213libr_djvu.txt"},"ia_items":[],"ia_lookup":[]},"regs":[{"id":334933,"entry_id":316026,"reg_number":"MP11117","series":4,"see_also":[],"reg_class":"MP","published":true,"claimant":"Educational Testing Service","author":null,"deposit":null,"reg_date":"1960-04-15","part":10,"part_title":"‘Neutrons and the heart of matter","source_line":10584,"raw":"10. ‘Neutrons and the heart of matter © 15Apr60; MP11117","flags":["claimant_from_parent","serial_part"],"status":"no-renewal-found","pd_date":"1989-01-01","reason":"no renewal entry found for 1987-1989 or in the Copyright Office renewal records 1978-2025","match_kind":null,"match_confidence":null,"title_similarity":null,"renewals":[],"window":[1987,1988],"window_volumes":[{"year":1987,"ia_identifier":""},{"year":1988,"ia_identifier":""},{"year":1989,"ia_identifier":""}]}]}