Tischer, Friedrich J., 1913- Basic theory of space communications / by Frederick J. Tischer. - Princeton, N.J. : Van Nostrand, 1965. - xix, 463 p. : illus. 24 cm. - Van Nostrand series in electronics and communications . - Van Nostrand series in electronics and communications . Includes bibliographical references and indexes. Subjects--Topical Terms: Astronautics--Communication systems.Plasma (Ionized gases) Dewey Class. No.: 629.437 / TIB 1965