Peter Krueger : Art Bridge : Cologne - New York - Cologne. - Becker, Heinz H.; Bill Arning, New York; Brinkemper, Peter V.; Burger, Norbert; Castelli, Leo; Euler-Schmidt, Michael; Flemming, Klaus; Gohr, Siegfried; Goodrow, Gérard A.; Hansen, Al; Hanstein, Henrik Rolf; Hetzler, Max; et al. (Edition Cologne,, 1998)