1. “Subzero Winterization of Diesel-Engine Power Equipment,”;Espenschade;SAE Quarterly Transactions,1952
2. Report of CRC Group on Lubricant Requirements Under Arctic Temperatures. Part I: “Experience with Crankcase Oils in Military Ground Vehicles Under Arctic Temperatures,” Kenneth Boldt. Part II: “Crankcase Oils for Use Under Arctic Temperatures,” H. C. Mougey, Presented at SAE Summer Meeting, Atlantic City, June 12, 1953.
3. “Cranking Power and Torque Requirements at Subzero Temperatures,”;Knudsen;SAE Transactions,1943
4. “Light Engine Oils for Improved Subzero Operation,”;Raviolo;SAE Quarterly Transactions,1950
5. “Field Experience with 5W Motor Oils.”;Anglin;Oil and Gas Journal,1949