@book { LearningCalabar,
    title = "Learning Calabar",
    author = "Anne McCrary {Sullivan}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b19181",
    url = "https://www.peterlang.com/document/1184581"
}