International reference ionosphere - status 1986/87 : proceedings of workshop XI of the COSPAR Twenty-sixth Plenary Meeting held in Toulouse, France, 30th June-11th July 1986 /
COSPAR.Plenary Meeting(26th :1986 :Toulouse, France)
Rawer, K.
Bradley, P. A.
COSPAR.
Oxford : Published for the Committee on Space Research by Pergamon Press,
1987.
Includes bibliographical references and index.
Ionosphere