@misc{_Nature_1871,
 year={1871},
 rights={Domena publiczna (Public domain)},
 publisher={Macmillan and Co.},
 language={eng},
 type={czasopismo},
 title={Nature : a Weekly Illustrated Journal of Science. Volume 4, 1871 October 19, [No. 103]},
 keywords={nauki matematyczno-przyrodnicze, nauka},
}