@misc{_Nature_1884, address={London}, address={New York}, access={Dla wszystkich bez ograniczeń}, year={1884}, rights={Domena publiczna (Public domain)}, publisher={Macmillan and Co.}, language={eng}, title={Nature : a Weekly Illustrated Journal of Science. Volume 30, 1884 June 19, [No. 764]}, type={czasopismo}, keywords={nauki matematyczno-przyrodnicze, nauka}, }