Hits 1-10 within 20 documents
Hits 1-10 within 20 documents
Author(s): Leuze, Kathrin; Helbig, Marcel.- 2015. 41p.
Author(s): Helbig, Marcel; Jähnen, Stefanie; Marczuk, Anna.- 2015. 124p.
Author(s): Baier, Tina; Helbig, Marcel.- 2011. 27p.
Author(s): Helbig, Marcel; Jähnen, Stefanie.- 2018. X, 195p.
Author(s): Helbig, Marcel; Nikolai, Rita.- 2019. 33p.
Author(s): Helbig, Marcel; Morar, Tatiana.- 2017. 39p.
Author(s): Helbig, Marcel; Konrad, Markus; Nikolai, Rita.- 2018. 23p.
Author(s): Helbig, Marcel; Mehnert, Ulrike; Allmendinger, Jutta.- 2018. 61p.
Author(s): Helbig, Marcel; Jähnen, Stefanie.- 2019. 52p.
Author(s): Helbig, Marcel; Jähnen, Stefanie.- 2019. 64p.