@InCollection{Hajduk:1997,
author
=
"E.Hajduk and B.Hajduk",
title
=
"Empirical criteria for isolating the student professionalization process",
pages
=
"151--164",
year
=
"1997",
booktitle
=
"Methodische Probleme der empirischen Erziehungswissenschaft ISBN: 3871167606",
publisher
=
"Schneider Verlag Hohengehren",
address
=
"Baltmannsweiler",
}