Downloaded from http: rspa.royalsocietypublishing.org on February 14, 2016 The Royal Society is collaborating with JSTOR to digitize, preserve, and extend access to Proceedings of the Royal Society of London. Series A - Proceedings of the Royal Society - Document - PDFSEARCH.IO

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	Downloaded from http://rspa.royalsocietypublishing.org/ on February 14, 2016 The Royal Society is collaborating with JSTOR to digitize, preserve, and extend access to Proceedings of the Royal Society of London. Series A Add to Reading List Open Document File Size: 2,59 MB Share Result on Facebook

Downloaded from http://rspa.royalsocietypublishing.org/ on February 14, 2016 The Royal Society is collaborating with JSTOR to digitize, preserve, and extend access to Proceedings of the Royal Society of London. Series AAdd to Reading List