1. Military Specification Mil-L-23699 Lubricating Oil, Aircraft Turboprop, Synthetic Base, Amendment June 10, 1964.
2. Mahncke, H.E., Mech. Eng. 89:44 (1967).
3. Parker, W.E., R.E. Koos, H.B. Knight, and W.C. Ault, JAOCS 42:792 (1965).
4. Warman, M., U.S. Pat. 3,360,465 (1967).
5. Bohner, G.D., J.A. Krimmel, J.J. Schmidt-Collerus, and R.D. Stacy, J. Chem. Eng. Data 7:547 (1962).