1. 1968 ‘Structure of stably stratified turbulent boundary layer,’ Ph. D. Dissertation, Colorado State University.
2. Modeling of the Stably Stratified Atmospheric Boundary Layer
3. 1969 ‘Large scale processes contributing energy to clear air turbulence,’ Clear air turbulence and its detection, Plenum Press, pp. 109–123.
4. 1970 ‘An investigation of the critical Richardson number for turbulence in the lower atmosphere,’ Ph. D. Dissertation, University of Washington.
5. Note on the critical Richardson number(s)