Lamellar phase coexistence induced by electrostatic interactions Y. S. Jho, M. W. Kim, S. A. Safran and P. A. Pincus Eur. Phys. J. E, 31 2 (2010) 207-214 Published online: 18 February 2010 DOI: 10.1140/epje/i2010-10567-5