1. 1 Helmick, Richard L. , “DDGX Air Conditioning Plant; Recommendations For.” DTNSRDC ltr 2722:RH, 3900 (19 Oct 1982).
2. 2 “High Efficiency Centrifugal Air Conditioning Plant,” Contract N00167-85-C-0023, to York International (21 Dec 1984).
3. 3 MIL-R-24085A, “Refrigerating Unit, Centrifugal for Air Conditioning” (18 Mar 1968).
4. 4 John J. McMullen Associates, Inc., “DDGX High Efficiency Helical Rotary Screw Air Conditioning Plant,” Tech Report N00024-77-C-4757 (Jan 1981).