Structure and rheology of the defect-gel states of pure and particle-dispersed lyotropic lamellar phases G. Basappa, Suneel, V. Kumaran, P. R. Nott, S. Ramaswamy, V. M. Naik and D. Rout Eur. Phys. J. B, 12 2 (1999) 269-276 Published online: 15 November 1999 DOI: 10.1007/s100510051004