@book { HappinessHopeandDespair, title = "Happiness, Hope, and Despair", author = "Peter {Roberts}", year = "2015", publisher = "Peter Lang Verlag", address = "New York, United States of America", doi = "10.3726/978-1-4539-1706-0", url = "https://www.peterlang.com/document/1051301" }