@InCollection{Piechowiak:1999,
author
=
"M.Piechowiak",
title
=
"Kaufmann, Feliks (1895-1949)",
pages
=
"475--476",
year
=
"1999",
booktitle
=
"The Filosophy of Lawan Encyklopedia ISBN: 0815313446",
publisher
=
"Garland Publishing, Inc.",
address
=
"New York",
volume
=
"Vol. 2: K-Z",
}