@misc{Kuczynski_Robert_René_(1876-1947)_"L'espace,
 author={Kuczynski, Robert René (1876-1947)},
 address={[London]},
 howpublished={online},
 publisher={Oxford University Press},
 language={fre},
 title={"L'espace vital" et des problèmes de population},
 title={Living-space and population problems},
 type={broszura},
 keywords={Ekologia przestrzeni},
}