@book { ANewApproachtoEcologicalEducation,
    title = "A New Approach to Ecological Education",
    author = "Gillian {Judson}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-0016-1",
    url = "https://www.peterlang.com/document/1050984"
}