Yielding of colloidal glasses K. N. Pham, G. Petekidis, D. Vlassopoulos, S. U. Egelhaaf, P. N. Pusey and W. C. K. Poon Europhys. Lett., 75 4 (2006) 624-630 Published online: 12 July 2006 DOI: 10.1209/epl/i2006-10156-y