1. Cramér, Harald, and Leadbetter, M. R. (1967). Stationary and related stochastic processes. ( John Wiley and Sons Inc., New York).
2. Crooks, Walter, et al. (Lockheed-California Co.) (1967). Project HI-CAT, an investigation of high altitude clear air turbulence. Flight Dynamics Laboratory Technical Report 67–123, Wright-Patterson AFB, Ohio. (A second report on a later phase in which the data used here were measured is in preparation.)
3. Dutton, John A. (1968). Broadening horizons in prediction of the effects of atmospheric turbulence on aeronautical systems. Invited paper at the Fifth Annual Meeting of the A. I. A. A., Philadelphia, October, 1968. To be published in Progress in aeronautical sciences (Pergamon Press, New York )
4. Dutton, J. A. and Thompson, Gary J. (1968). Probabilistic determination of aircraft response to low-altitude turbulence. In press as Aeronautical Systems Division Technical Report 68–39, Wright-Patterson AFB, Ohio.
5. Frenkiel, F. N. and Klebanoff, P. S. (1967). Higher order correlations in a turbulent field. Physics of Fluids, 10, 507–520.