@book { LepremierautoportraitdeRembrandt1628,
    title = "Le premier autoportrait de Rembrandt (1628)",
    subtitle = "Etude sur la formation du jeune Rembrandt",
    author = "Judith K. {Portier-Theisz}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1089330"
}