F327.174 Gor F Gorbachov , Mikhail Sergeevich For the sake of preserving human civilitation / Mikhail Gorbachov .-- Moscov : Novosti , 1987. 23 p. ; 20 cm. " Speech before the participants in the international forum " For a Nuclear - Free World , for the Survival of Humanity, " Moscow , February 16 , 1987.