| Reference text: |
US Department of Commerce, Office of the Federal Coordinator for Meteorology (OFCM). Surface Weather Observations and Reports [online]. Silver Spring (Maryland): OFCM, 1995 [cited 13 November 2003]. Change no. 1 issued 30 October 1998. Available from World Wide Web: <http://www.ofcm.gov/fmh-1/fmh1.htm>. Handbook FMH-1. |
