1. Flüssige Kristalle und die Theorien des Lebens;Lehmann,1908
2. Morphologie des gènes lipoïdes: myéline, cristaux liquides, vacuoles;Nageotte,1937
3. Liquid crystals and cell membranes;Chapman;Ann. N.Y. Acad. Sci.,1966
4. Twisted fibrous arrangements in biological materials and cholesteric mesophases;Bouligand;Tissue Cell,1972
5. Liquid crystalline order in polymers;Bouligand,1978