1. A New Concept of Pocket Formation;Aisenberg;Oral Surg., Oral Med. and Oral Path,1948
2. Normal and Pathologic Pocket Formation;Beck;J. Am. Dent. A,1929
3. The Relationship of the Epithelial Attachment to the Adjacent Fibers of the Periodontal Membrane;Goldman;J. D. Res,1944
4. Biology and Pathology of the Tooth and Its Supporting Mechanism;Gottlieb,1938
5. Etiology and Therapy of Alveolar Pyorrhea;Gottlieb;Ztschr. f. Stomatol,1920