@book { AccountingandSocioeconomicchangesinPoland, title = "Accounting and Socio-economic changes in Poland", author = "Markus {Bruetsch}", year = "2003", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783638201438", url = "https://www.hausarbeiten.de/document/14845" }