Soft spheres make more mesophases M. A. Glaser, G. M. Grason, R. D. Kamien, A. Košmrlj, C. D. Santangelo and P. Ziherl EPL, 78 4 (2007) 46004 Published online: 03 May 2007 DOI: 10.1209/0295-5075/78/46004