Hits 1-3 within 3 documents
Hits 1-3 within 3 documents
Author(s): Rässler, Susanne; Fleischer, Karlheinz.- 1998. 317-333p.
Author(s): Laaksonen, Seppo.- 1998. 285-298p.
Author(s): Korotayev, Andrey; Grinin, Leonid
Source: Uchitel Publishing House, 2019