Y. Martinez-Raton, J.A. Cuesta, R.H.H.G. van Roij and B.M. Mulder: Nematic to smectic: A "hard" transitionIn: New approaches to Problems in Liquid State Theory /ed. C. Caccamo, Kluwer, 1999. - pp. 139-150
B. Groh and B.M. Mulder, Why all crystals need not be bcc: Symmetry breaking at the liquid-solid transition revisited, Phys. Rev. E 59, 5613-5620 (1999)