1. Anderson, T.F.: Techniques for preservation of three-dimensional structure in preparing specimens for the electron microscope. Trans. N. Y. Acad. Sci., Ser. II 13, 130?133 (1951)
2. Caplan, A.I., Koutroupas, St.: The control of muscle and cartilage development in the chick limb: the role of differential vascularization. J. Embryol. exp. Morph. 3, 571?583 (1973)
3. Christ, B., Jacob, H.J., Jacob, M.: Über den Ursprung der Flügelmuskulatur. Experimentelle Untersuchungen mit Wachtel- und Hühnerembryonen. Experientia (Basel), 30, 1446?1448 (1974)
4. Cohen, A.L., Marlow, D.P., Garner, G.: A rapid critical point method using fluorocarbons (Freons) as intermediate and transitional fluids. J. Microscopie 7, 331?342 (1968)
5. Dalton, A.J.: A chrome-osmium fixative for electron microscopy. Anat. Rec. 121, 281 (1955)