@book{UBHD-3492207, editor={Whitford, Frank [Mitarb.]}, title={Expressionist portraits}, publisher={Thames and Hudson}, address={London}, year={1987}, pages={200 S.}, language={eng}, isbn={0-500-23494-9 and 978-0-500-23494-5}, library={UB [Signatur: 87 B 3268]}, }