@book { EthicalFinance, title = "Ethical Finance", author = "Johannes {Krall} and Franz {Lamprecht} and Richard {Lernbass} and Erhard {Rauch}", year = "2012", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-02385-5", url = "https://www.peterlang.com/document/1046933" }