Nematic-smectic A-reentrant nematic transitions in 80CB : 60CB mixtures A.R. Kortan, H. von Känel, R.J. Birgeneau et J.D. LitsterJ. Phys. France, 45 3 (1984) 529-538DOI: https://doi.org/10.1051/jphys:01984004503052900