@book { ProfessionalMilitaryEducation,
    title = "Professional Military Education",
    author = "Duraid {Jalili} and Hubert {Annen}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15676",
    url = "https://www.peterlang.com/document/1111030"
}