@book{ title = "How to speak on site", author = "Wallnig, Günter,Feruszewski, Andrzej,Nowak, Zbiegniew", year = "1991", publisher = "Beton-Verlag", address = "Düsseldorf", title = "dialogues and dictionary = So spricht man am Bau = Tak sie̜ mówi na budowie", language = "eng","ger","pol", howpublished = "print", isbn = "3764002921", keywords = "Sprachführer,Englisch,Fachsprache,Baustelle,Polnisch,Deutsch", note = "Text englisch, deutsch, polnisch", abstract = "Text dt., engl., poln." }