@misc{_Nature_1893, year={1893}, rights={Domena publiczna (Public domain)}, description={Index to Volume 49, 1893-1894}, publisher={Macmillan and Co.}, language={eng}, title={Nature : a Weekly Illustrated Journal of Science. Volume 49, 1893 November 2, [No. 1253]}, type={czasopismo}, keywords={nauki matematyczno-przyrodnicze, nauka}, }