@book { BigThoughtsareFree,
    title = "Big Thoughts are Free",
    author = "Mark {Axelrod}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-1447-2",
    url = "https://www.peterlang.com/document/1051626"
}