TY - BOOK AU - Baber, Hal T. AU - Crumbly, Kenneth H. AU - Adamson, David. ED - Washington, National Aeronautics and Space Administration. TI - Barium releases at altitudes between 200 and 1000 kilometers U1 - 629.435 PY - 1971/// CY - Washington D C PB - National Aeronautics and Space Administration KW - Artificial aurora KW - Geospace diagnostics KW - Ionospheric research N1 - Includes bibliographical references ER -