@misc{Littwin_Walter_(1902-_)_Die,
 author={Littwin, Walter (1902- )},
 howpublished={online},
 publisher={A. W. Kafemann},
 language={ger},
 type={książka},
 title={Die Energie trocken- und feuchtlabiler Schichtungen},
 keywords={fizyka, prace doktorskie},
}