sentences:  On 10 October 1981, Parek participated in the signing of an open letter to the heads of government of the USSR and the countries of northern Europe, in which the authors (38 Lithuanians, Latvians and Estonians) supporting the Soviet leadership, approved the Scandinavian Nuclear-weapon-free zone initiative and proposed to extend this initiative to the Baltic States, as well as proposing the removal of Soviet missiles from their territory.Parek also participated in the publication of Samizdat journals, as well as liaising with dissidents in Russia.On 5 March 1983, Parek was arrested and on December 16 sentenced by the Supreme Court under Article 68 Part 1 of the Criminal Code of the ESSR (corresponds to Art.