@article{article67020a4b, title = {Chirality -induced biaxiality at the uniaxial-tobiaxial cholesteric phase transition}, author = {Kroin, T and Figueiredo Neto, Antonio Martins and Liebert, L and Galerne, Y}, year = {1989}, doi = {10.1103/physreva.40.4647}, journal = {Physical Review a} }