1. The Hawker P.1127 V/STOL Strike Fighter;Bedford;J.R. aero. Soc.,1962
2. Ground proximity and V.T.O.L. aircraft;Colin;N.A.T.O. Agard Report No. 409,1962
3. The role of jet lift;Keith-Lucas;J.R. aero. Soc.,1962
4. Overcoming ground erosion effects and the operation of jet lift aircraft;Dent,1965
5. V.T.O.L. and S.T.O.L. simple solutions to some of the operating problems during take-off and landing;Fearon;J.R. aero. Soc.,1962