@misc{_Nature_1919,
 year={1919},
 rights={Domena publiczna (Public domain)},
 publisher={Macmillan and Co.},
 language={eng},
 type={czasopismo},
 title={Nature : a Weekly Illustrated Journal of Science. Volume 104, 1919 November 6, [No. 2610]},
 keywords={nauki matematyczno-przyrodnicze, nauka},
}