1) Grodinsky, M., and Holoyoke, E. A.: The fascia and fascial spaces of the head, neck and adjacent regions. Am. J. Anat., 63: 367-407, 1938.
2) Hollinshead, W. H.: Fascia and fascial spaces of the head and neck. The Head and Neck Vol. 1, chapter 5, pp. 274-278, Harper & Row, Philadelphia, 1982.