1. “A Historical Review of the Bubble Theory of the Etiology of Decompression Sickness as Related to High Altitude Exposure,”;Andersen,1965
2. Analysis of the components of forces used to effect distal movement of teeth
3. “Transactions European Orthodontic Society,”;Bien,1957
4. Bien, S. M. (1964). “An Hydrodynamic Interpretation of the Effects of Forces on Teeth,” Lord-Chaim Prize Paper. First District Dental Society, New York, New York (Unpublished.)