TY - BOOK AU - Belrose,J.S. AU - Hewitt,L.W. TI - Ground-Based Radio Wave Propagation Studies od the Lower Ionosphere PY - 1967/// CY - Shirley Bay PB - Department of Netional Defence KW - Meteorología N1 - Proceedings of a Conference held from 11 to 15 April, 1964 at Defence Research Telecomunications Establishment, Radio Physics Laboratory, Shirley Bay, Ottawa, Ontario, Canada ER -