Klanten, R., Ehmann, S., & Borges, S. (2012). The sky's the limit: Applying radical architecture / edited by Robert Klanten, Sven Ehmann, and Sofia Borges ; text and preface by Sofia Borges. Gestalten.

Klanten, Robert, Sven Ehmann, and Sofia Borges. The Sky's the Limit: Applying Radical Architecture / Edited by Robert Klanten, Sven Ehmann, and Sofia Borges ; Text and Preface by Sofia Borges. Berlin: Gestalten, 2012.

Klanten, Robert, et al. The Sky's the Limit: Applying Radical Architecture / Edited by Robert Klanten, Sven Ehmann, and Sofia Borges ; Text and Preface by Sofia Borges. Gestalten, 2012.