@book { AttheEdge,
    title = "At the Edge",
    author = "Rajendra {Chetty}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b12242",
    url = "https://www.peterlang.com/document/1055881"
}