@misc{_Nature_1886-1887, year={1886-1887}, rights={Domena publiczna (Public domain)}, publisher={Macmillan and Co.}, language={eng}, title={Nature : a Weekly Illustrated Journal of Science. Volume 35, 1886 December 9, [No. 893]}, type={czasopismo}, keywords={nauki matematyczno-przyrodnicze, nauka}, }