Ionospheric research by satellites.
Subtitle: Agreement between the United States of America and Canada amending the agreement of May 6, 1964, effected by exchange of notes signed at Ottawa May 11, 1970.
Contributors: United States.
Series: Treaties and other international acts series,; 6883
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1970
Place of publication: [Washington
Language: eng
Subjects: Artificial satellites in ionospheric research -- International cooperation
Notes: English and French.