Hits 1-2 within 2 documents
Hits 1-2 within 2 documents
Author(s): Bohner, Gerd; Schwarz, Norbert; Hormuth, Stefan E..- 1989. 30,5p.
Author(s): Brückner, Erika; Hormuth, Stefan E.; Sagawe, Helmuth
Source: ZUMA Nachrichten, 6 (1982) 11. p.9-36