@book { UnaufgeforderteHilfeleistunginNotsituationen, title = "Unaufgeforderte Hilfeleistung in Notsituationen", author = "Sören {Koch}", year = "2012", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-01729-8", url = "https://www.peterlang.com/document/1046619" }