Colloidal aggregates tested via nanoindentation and quasi-simultaneous 3D imaging Marcel Roth, Carsten Schilde, Philipp Lellig, Arno Kwade and Günter K. Auernhammer Eur. Phys. J. E, 35 11 (2012) 124 Published online: 28 November 2012 DOI: 10.1140/epje/i2012-12124-8