D. Bangham, M. Standish, C. Watkins, Diffusion of univalent ions across the lamellae of swollen 
 phospholipids. J. Mol. Biol. 13, 238–252 (1965) 
 E. Evans, R. Skalak, Mechanics and Thermodynamics of Biomembranes (CRC Press, Boca Raton, 1980) 
 R. Lipowsky, E. Sackmann, Handbook of Biological Physics vol. 1: Structure and Dynamics 
 of Membranes (Elsevier, Amsterdam, 1995) 
 M. Marinov, Biophysics (in Bulgarian) (Medical Univ, Sofia, 2001) 
 M. Montal, in Formation of Bimolecular Membranes From Lipid Monolayers. 
 Methods in Enzymology XXXII. Biomembranes. Part B, eds. By S. Fleischer, 
 L. Pacher (Academic, New York, 1974), pp. 545–554 
 P. Mueller, O. Rudin, T. Tien, C. Weescott, Reconstitution into an exitable system. 
 Nature 194, 979–980 (1962) 
 C. Nageli, Pflanzenphysiologische Untersuchungen (1855–1858) (1855) 
 Z.-C. Ou-Yang, J.-X. Liu, Y.-Z. Xie, Geometric Methods in the Elastic Theory of 
 Membranes in Liquid Crystal Phases (World Scientific, Hong Kong, 1999) 
 J. Singer, L. Nicolson, The fluid mosaic model of the structure of cell membranes. 
 Science 175, 720–731 (1972) 
 M. Takagi, K. Azuma, U. Kishimoto, A new method for the formation of bilayer in 
 aqueous solution. Ann. Rep. Biol. Works Fac. Sci. Osaka Univ. 13, 107–110 (1965) 
 Z.-C. Tu, Z.-C. Ou-Yang, A geometric theory on the elasticity of bio-membranes. 
 J. Phys. A Math. Gen. 37, 11407–11429 (2004) 
 Z.-C. Tu, Z.-C. Ou-Yang, Lipid membranes with free edges. Phys. Rev. E 68, 061915-1-7 (2003) 
 Z.-C. Tu, Geometry of membranes. J. Geom. Symmetry Phys. 24, 45–75 (2011)