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Proceedings of the National Academy of Sciences of the United States of America.

Program: CLOCKSS

• Publisher: National Academy of Sciences [etc.]
• Print ISSN: 0027-8424
• Electronic ISSN: 1091-6490
• OCLC Number:

• Summary Holdings: v.1-v.109 (1915-2012); v.111 (2014)
• Holdings Format: Digital