Ackerman, Bernice. Characteristics of summer radar echoes in Arizona, 1956 - (Tucson) : University of Arizona. Institute of Atmospheric Physics, 1959 - 66 h. : ilus. ; anexos LCCN: 10202 Subjects--Topical Terms: Eco.Lluvia.Meteorología--Aparatos e instrumentos. Dewey Class. No.: 534.24 / A2