1. 1, Kocansky, U.R., Durando, N.A., Ilristow, D.K., and Saunders, P.W."Multi-Jet Induced Forces and Cloments on VTOL Aircraft Hovering In ;ind Out of Ground Effect", Final Technical Report, Naval Air Development Center, NADCRcport No. 77-229-30,June 1977.
2. Prediction of Ground Effects for VTOL Aircraft with Twin Lifting Jets
3. Impingement of a two-dimensional supersonic jet upon a normal groundsurface
4. Private Correspondence, K. A. Green, N;lv;ll A i r Development Center to D. R. Kotnnsky, 24 hgust1978.