@book { EvaluatingtheSustainabilityofAgriculture,
    title = "Evaluating the Sustainability of Agriculture",
    subtitle = "The Case of the Reventado River Watershed in Costa Rica",
    author = "Sabine Christine {Müller}",
    year = "1997",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1085598"
}