@book{Koch, author = {Koch, Diethelm}, title = {Diethelm Koch - Bildhauer des Konkreten : Teil: [1]., 1966 - 2005}, editor = {Decker, Marlene}, publisher = {Chorus-Verl.}, address = {Mainz}, isbn = {978-3-931876-65-4}, pages = {351}, subject = {Kunst}, language = {de} } @book{Koch, author = {Koch, Diethelm}, title = {Diethelm Koch - Bildhauer des Konkreten : Teil 2}, editor = {Dering, Peter}, publisher = {Chorus-Verl.}, address = {Mainz}, isbn = {978-3-931876-72-2}, pages = {80}, subject = {Kunst}, language = {de} } @book{Koch, author = {Koch, Diethelm}, title = {Diethelm Koch, Konkrete Plastik}, publisher = {Stadtgalerie}, address = {Brunsb{\"u}ttel}, pages = {96}, subject = {Kunst}, language = {de} } @book{Koch, author = {Koch, Diethelm}, title = {Diethelm Koch : Skulptur}, publisher = {Stadt Herne}, address = {Herne}, isbn = {3-934940-06-4}, pages = {40}, subject = {Kunst}, language = {de} }