@book { ClaudeMonetFreeThinker,
    title = "Claude Monet, Free Thinker",
    author = "Michael J. {Call}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-1594-3",
    url = "https://www.peterlang.com/document/1051734"
}