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23- Ricketts, R.M.: A principle of arcial growth of the mandible. Angle Orthod. 42;pp:1972.
24- Moss, M.L., Salentijn.: Differences between the functional matrices in anterior open bite and in deep bite. Am J Orthod Dentofacial Orthop. 60;264-280:1971.
25- Bjork, A. and Skieller, V.: Facial development and tooth eruption. Am J Orthod Dentofacial Orthop. 62;339-383:1972.
26- Bjork, A.: Prediction of mandibular growth rotation. Am J Orthod Dentifacial Orthop. 55;585-599:1969.
27- Ricketts, R.M.: Features of Bioprogressive Therapy: factors in headgear design and application. Rocky Mountain Orthodontics Communicator. 27-31:1973.
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