Scientific and technological cooperation : agreements between the United States of America and Italy, extending the agreement of July 22, 1981, effected by exchange of notes signed at Washington July 29, 1986, and exchange of notes signed at Washington July 21 and 31, 1987, and exchange of notes signed at Washington December 23, 1987 and January 25, 1988. (Dept. of State :, 1994)