1.6. References
Peterson, J.T., and R.M. Rosson (eds.), Climate Monitoring and Diagnostics Laboratory No. 22 Summary Report 1993, 152 pp., NOAA Environmental Research Laboratories, Boulder, CO. 1994.
World Meteorological Organization (WMO), Guide to Meteorological Instrumentation and Observing Practices, No. 8, Tech. Paper 3, 347 pp., World Meteorological Organization, Geneva, 1969.