This definition appears very rarely
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Samples in periodicals archive:
31st International Conference on Radar Meteorology. P3A.11. On the Characteristics of Precipitation in the Florida Keys: The Keys Area Precipitation Project (KAPP)
p3a.11 on the characteristics of precipitation in the florida keys: the keys area precipitation project (kapp) d. b. wolff1,2, j. gerlach3, d. marks1,4, a. tokay1,5...
Publication » An overview of the Keys area precipitation project (KAPP).