→ ZMATH
Proc. Natl. Acad. Sci. USA
Proceedings of the National Academy of Sciences of the United States of America. National Academy of Sciences, Washington, DC. English. [1 vol. (= 24 issues) a year]
Journal, ISSN 0027-8424; 1091-6490/e
http://www.pnas.org
Library shelfmarks: GOE:4 Z NAT. 1168; TIB:ZS 128
