Weidemann, G., Brezesinski, G., Vollhardt, D., DeWolf, C., & Möhwald, H. (1999). Disorder in Langmuir monolayers: 2. Relation between disordered alkyl chain packing and the loss of long-range tilt orientational order. Langmuir, 15, 2901-2910. doi:10.1021/la980981h.