References
- Hesstvedt, E. 1959. Mother of pearl clouds in Nor-way. Geophysica Norvegica 20, 1–29.
- Hesstvedt, E. 1969. The physics of nacreous and noctilucent clouds. Stratospheric Circv2ation (ed. W. L. Webb), Chapter 4. Academic Press, New York.
- Lilly, D. K. 1971. Observations of mountain-in-duced turbulence. J. Geophys. Res. 76, 6585–6588.
- Lilly, D., Pann, Y., Kennedy, P. and Toutenhoofd, W. 1971. Data Catalog for the 1970 Colorado Lee Wave Observational Program, Tech. Note TN/
- STR-72. National Center for Atmospheric Rese-arch, Boulder, Co.
- Mastenbrook, H. J. 1968. Water vapor distribution in the stratosphere and high troposphere. J. Atmos. Sci. 25, 299–311.
- Mastenbrook, H. J. 1971. The variability of water vapor in the stratosphere. J. Atmos. Sci. 28, 1495–1501.
- McIntosh, D. H. 1972. Mother-of-Pearl Cloud over Scotland. Weather 27, 14–22.