621.38411DucT Du Castel, Francois Tropospheric radiwave propation beyond the horizon. Tr. and edited by E. Sofaer with assistance from dr. and Mrs.J.R.Wait. Oxford, Pergamon Press[1966]xii,236p. ilus.,mapas.,diagrs.24cm. (International series of monographs in electromagnetic wavwer,v.8)
Incluye 15 diagrs plegs. en un bolsillo.