@misc{_Nature_1880,
 year={1880},
 rights={Domena publiczna (Public domain)},
 publisher={Macmillan and Co.},
 language={eng},
 type={czasopismo},
 title={Nature : a Weekly Illustrated Journal of Science. Volume 21, 1880 April 29, [No. 548]},
 keywords={nauki matematyczno-przyrodnicze, nauka},
}