@book { ChangesofPerception,
    title = "Changes of Perception",
    subtitle = "Five Systematic Approaches in Husserlian Phenomenology",
    author = "Christina {Schües}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095090"
}