@book{ BA89137596, author = "Barron, Stephanie and Eckmann, Sabine and Gillen, Eckhart and Los Angeles County Museum of Art and Vostell, Wolf and Polke, Sigmar and Arnold, Ursula", title = "Art of two Germanys : cold war cultures", publisher = "Abrams in association with the Los Angels County Museum of Art", year = "2009", URL = "https://ci.nii.ac.jp/ncid/BA89137596" }