Burg, T. P. Research Group of Biological Micro- and Nanotechnology, MPI for biophysical chemistry, Max Planck Society;
http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CDgQFjAA&url=http%3A%2F%2Flink.aip.org%2Flink%2F%3FAJPIAS%2F74%2F873%2F1&ei=3Vx6UrvzKcmctAaywIGYCQ&usg=AFQjCNHsieUMd6BS0b5OAhEpafIGFM092g&bvm=bv.55980276,d.Yms (Publisher version)
Shusteff, M., Burg, T. P., & Manalis, S. R. (2006). Measuring Boltzmann’s constant with a low-cost atomic force microscope: An undergraduate experiment. American Journal of Physics, 74(10), 873-879. doi:10.1119/1.2335475.