@misc{_Nature_1897,
 year={1897},
 rights={Domena publiczna (Public domain)},
 publisher={Macmillan and Co.},
 language={eng},
 type={czasopismo},
 title={Nature : a Weekly Illustrated Journal of Science. Volume 55, 1897 January 21, [No. 1421]},
 keywords={nauki matematyczno-przyrodnicze, nauka},
}