@book { AmongRussianSectsandRevolutionists,
    title = "Among Russian Sects and Revolutionists",
    author = "Graham {Camfield}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    doi = "10.3726/978-3-0353-0744-3",
    url = "https://www.peterlang.com/document/1053457"
}