@misc{_Nature_1931, year={1931}, rights={Domena publiczna (Public domain)}, description={Zawiera: Supplement to Nature. 1931 August 29, No. 3226}, publisher={Macmillan and Co.}, language={eng}, title={Nature : a Weekly Illustrated Journal of Science. Volume 128, 1931 August 29, [No. 3226]}, type={czasopismo}, keywords={nauki matematyczno-przyrodnicze, nauka}, }