1. Allen, P.W., Jessup E. A. and White R. E., (1967). Long-range trajectories. Proc. of U.S.A.E.C. Symposium Meteorological Information Meeting, Spet. 11–14, 1967, Chalk River. Ontario, Canada, AEC L-2787, 176–190.
2. Allen P.W. and White R. E., (1969). A method of obtaining long-range air trajectories at low altitudes using constant volume balloons. Presented at the WMO Technical Conf. on Upper-Air Instruments, Neuilly, France, 8–12 Sept., 1969.
3. Urban influence on night-time airflow estimated from tetroon flights;Angell;J. appl. Met.,1971
4. Three-dimensional air trajectories determined from tetroon flights in the planetary boundary layer of the Los Angeles Basin;Angell;J. appl. Met.,1972
5. Urban influence on a strong daytime air flow as determined from tetroon flights;Angell;J. appl. Met.,1973