Glaeser, R. M., Zilker, A., Radermacher, M., Gaub, H. E., Hartmann, T., & Baumeister, W. (1991).
Interfacial energies and surface-tension forces involved in the preparation of thin, flat crystals of biological macromolecules
for high-resolution electron microscopy. Journal of Microscopy, 161(1),
21-45.