Aging behavior of Laponite clay particle suspensions A. Knaebel, M. Bellour, J.-P. Munch, V. Viasnoff, F. Lequeux and J. L. Harden Europhys. Lett., 52 1 (2000) 73-79 Published online: 01 September 2002 DOI: 10.1209/epl/i2000-00406-6