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Proc. A, R. Soc. Lond.
Proceedings A. Royal Society of London. Royal Society Publishing, London. English. [1 vol. (= 12 issues) a year]
Journal, ISSN 1364-5021; 1471-2946/e
http://rspa.royalsocietypublishing.org/content/by/year
http://www.jstor.org/journals/13645021.html
Formerly: Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci.