Ungers, Oswald Mathias Works and projects,1991-1998 / Oswald Mathias Ungers - Milano : Electaarchitecture, c2002. - 348 p. : ill. ; 29 cm. ISBN: 1904313000 LCCN: Subjects--Topical Terms: Ungers LC Class. No.: NA1088 / .U53A4 2002