@book { NegotiationManagementACaseStudyonStrategySelection,
    title = "Negotiation Management. A Case Study on Strategy Selection",
    author = "Jochen {Kasper}",
    year = "2015",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/293243"
}