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2.
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4.
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5.
Ward, M.L., and Scott, E. 0.: Effects of Variations in Manipulation on Dimensional Changes, Crushing Strength and Flow of Amalgams, J. A. D. A. 19: 1683-1705, 1932.
6.
Gray, A.W.: Metallographic Phenomena Observed in Amalgams, J. Nat. D. A.6: 513-531, 1919, and 6: 909-925, 1919.
7.
Phillips, R.W. , Boyd, D.A., Healey, H.G., and Crawford , W.H.: Clinical Observations on Amalgam With Known Physical Properties-Final Report, J. A. D. A. 32: 325, 1945.
8.
Armstrong, W.D. , and Simon, W.J.: Penetration of Radio-Calcium at the Margins of Filling Materials, J. A. D. A. 43: 684, 1951.
9.
Nelson, Robert J., Wolcott, Robert B., and Paffenbarger , George C.: Fluid Exchange at the Margins of Dental Restorations, J. A. D. A.44: 288-295, 1952.
10.
Zander, Helmut A.: The Effect of Self-Curing Resins on the Dental Pulp, Oral Surg., Oral Med. & Oral Path.4: 1563-1567, 1951.
11.
Seelig, Alexander : Effect of Direct Filling Resins on the Tooth Pulp, J. A. D. A. 44 : 261-265, 1952.
