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Electronic Resources from Smithsonian Institution Libraries

Title: Proceedings of the National Academy of Sciences of the United States of America
Go directly to Proceedings of the National Academy of Sciences of the United States of America (opens in a new window)

Terms for Usage:
Licensor: National Academy of Sciences
Authorized Users: Authorized Users are those individuals officially affiliated with the Smithsonian Institution, registered library patrons serving in the capacity of full or part time employees, fellows, interns, individuals under contract, and other registered patrons who are assigned to an authorized Smithsonian site. Non SI affiliated library users may access SIL purchased electronic resources only when they are using terminals physically located in the library.
Interlibrary Loan Terms: ILL is allowed consistent with "Fair Use". Except for uses consistent with the "Fair Use" limitations of U.S. Copyright Law, the person using PNAS Online may not: (i) distribute a copy (electronic or otherwise) of any document or file form the PNAS Online server without the written permission of the National Academy of Sciences, (ii) alter a copy of any retrieved, printed, or stored document or file, or (iii) charge for a copy (electronic or otherwise) of any file or document.
General Notes:> Authorized Users of PNAS Online may view, reproduce, or store copies of the journal, provided that the information is only for their personal, noncommercial use. For permission to copy beyond that permitted by Section 107 or 108 of the U.S. Copyright Law and to reprint articles, contact the Copyright Clearance Center.
Resource Type: E-Journal
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