1. Allbrook, D.: An electron microscopic study of regenerating skeletal muscle. J. Anat. (Lond.) 96, 137?152 (1962).
2. Aronson, J.: Sarcomere size in developing muscles of a tarsonemid mite. J. biophys. biochem. Cytol. 11, 147?156 (1961).
3. Astbury, W. T.: X-ray and electron microscope studies, and their cytological significance, of the recently discovered muscle proteins, tropomyosin and actin. Exp. Cell Res., Suppl. 1, 234?246 (1949).
4. Bardeen, C. R.: The development of the musculature of the body wall in the pig, including its histogenesis and its relations to the myotomes and to the skeletal and nervous apparatus. Johns Hopk. Hosp. Rep. 9, 367?400 (1900).
5. Bennett, H. S., and J. H. Luft: s-Collidine as a basis for buffering fixatives. J. biophys. biochem. Cytol. 6, 113?114 (1959).