His Meteorology today, c1982: CIP t.p. (Donald C. Ahrens) bk. t.p. (C. Donald Ahrens; Modesto Junior Coll.) p. xii (Don Ahrens)

Meterorology today: An introduction to weather, climate, and the environment, © 2019: t.p. (Donald C. Ahrens) of cover

Biblioteca del congreso (Estados Unidos), 18 marzo 2020: Catálogo electrónico http://bit.ly/2ISSxj8