B. R. Bean

$A model radio refractivity atmosphere$ A model radio refractivity atmosphere
$Climatic charts and data of the radio refractive index for the United States and the world$ Climatic charts and data of the radio refractive index for the United States and the world
$Climatic Charts of the Surface Refractivity for Germany; NBS Report 5588$ Climatic Charts of the Surface Refractivity for Germany; NBS Report 5588
Radio meteorology