Germano, G;    Allen, MP;    Masters, AJ;      (2002)    Simultaneous calculation of the helical pitch and the twist elastic constant in chiral liquid crystals from intermolecular torques.                   Journal of Chemical Physics , 116  (21)   pp. 9422-9430.    10.1063/1.1475747 <https://doi.org/10.1063/1.1475747>.       Green open access