@book { LinFengmian,
    title = "Lin Fengmian",
    subtitle = "Ein expressionistischer Maler in China",
    author = " {Hua He}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103864"
}