1. Felsenfeld, G., Nature 271, 115–121 (1978)
2. Kolate, G.B., Science, 188, 1097–99 (1975)
3. Nicolini, C. and Kendall, F., Physiol. Chem. & Physics, 9, 265–283 (1977)
4. Sperling, L. and Klug, A., J. Mol. Biol., 112, 253–63 (1977)
5. Baserga, R. and Nicolini, C. Biophy. Biochem. Acta, 458, 109–34 (1976)