Study of radioactivity of upper atmosphere by means of balloons.
Subtitle: Agreement between the United States of America and Australia amending and extending the Agreement of May 9, 1961, as amended and extended, effected by exchange of notes dated at Canberra May 9, 1969.
Contributors: United States.
Series: Treaties and other international acts series, 6680
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1969
Place of publication: [Washington
Language: eng
Subjects: Atmospheric radioactivity; Balloons, Sounding