@misc{_Nature_1921, year={1921}, rights={Domena publiczna (Public domain)}, description={Brak numeru 2710}, publisher={Macmillan and Co.}, language={eng}, title={Nature : a Weekly Illustrated Journal of Science. Volume 108, 1921 November 17, [No. 2716]}, type={czasopismo}, keywords={nauki matematyczno-przyrodnicze, nauka}, }