Bibby, B., and van Huysen, G.: Changes in the Enamel Surface, a Possible Defense Against Dental Caries, J. A. D. A. 20: 828, 1933.
2.
Chase, S.W.: The Origin, Structure, and Duration of Nasmyth's Membrane, Anat. Rec. 33: 357, 1926.
3.
von Ebner, V.: Handbuch der Gewebelehre des Menschen, Vol. III, Leipzig , 1902, Wilhelm Engelman, p. 90.
4.
Glickman, I. , and Bibby, B.: The Existence of Cuticular Substances on the Human Teeth, J. D. Res. 22: 91, 1943.
5.
Glickman, I.: Clinical Periodontia, Philadelphia and London, 1953, W. B. Saunders Company.
6.
Gottlieb, B. : Aetiologie und Profylaxe der Zahnkaries, Ztschr . Stomat. 19: 129, 1921.
7.
Gottlieb, B. : Der Epithelansatz am Zahne, Deutsch. Monatschr. Zhk. 39: 142, 1921.
8.
Kronfeld, R.: Histopathology of the Teeth and Their Surrounding Structures, Philadelphia , 1933, Lea & Febiger.
9.
Meyer, W.: Strittige Fragen in die Histologie des Schmelzoberhäutchen, Vjschr. Zhk. 46: 42, 1930.
10.
Mummery, J.H. : On the Structure of the Dental Follicle and Its Relation to Pathological Conditions, Brit. D. J. 41: 1, 1920.
11.
Nasmyth, A. : On the Structure, Physiology, and Pathology of the Persistent Capsular Investments and Pulp of the Teeth, Medico-chirurgical Transactions of the Royal Medical & Chirurgical Society of London22: 310, 1839.
12.
Neuwirth, A. : Die Schmelzmembran und der Epthelansatz am Zahne, Ztschr. Stomat. 23: 318, 1925.
13.
Orban, B.: Histology and Embryology, St. Louis, 1953, The C. V. Mosby Company.
14.
Talbot, E.: The "So-called" Nasmyth's Membrane, D. Cosmos62: 162, 1920.
15.
Waerhaug, J. : The Gingival Pocket, Anatomy, Pathology, Deepening, and Elimination, Odont. Tidsk.60: supp. 1, 1952.
16.
Waerhaug, J. : Tissue Reactions Around Artificial Crowns, J. Periodont. 24: 172, 1953.
17.
Waldeyer, W.: Bau und Entwicklung der Zahne, Leipzig, 1871, S. Strickers Handbuch d. Lehre v. d. Geweben d. Menschen u. d. Tieren.
18.
Zander, H.: A Method for Studying the Epithelial Attachment and the Gingival Attachment (Abst.), J. D. Res. 34: 736, 1955.