@book{Rost_2004,
 author = {Rost, J.},
 year = {2004},
 title = {Lehrbuch Testtheorie - Testkonstruktion},
 address = {Bern},
 volume = {2},
 publisher = {{Hans Huber Verlag}},
 isbn = {9783456839646},
 series = {Aus dem Programm Huber: Psychologie-Lehrbuch}
}