@misc{_Nature_1897, year={1897}, rights={Domena publiczna (Public domain)}, description={Index to Volume 56, 1897}, publisher={Macmillan and Co.}, language={eng}, title={Nature : a Weekly Illustrated Journal of Science. Volume 56, 1897 May 6, [No. 1436]}, type={czasopismo}, keywords={nauki matematyczno-przyrodnicze, nauka}, }