??? ???? ?? ??? SF??? '?? ???'? ??? ???.
PC??? ???? ???? ??? ???? ??? ??? ??? '?? ???'? ??? ???? ???? ??? ???? 7?? ?? ????? ??? ?????, '?? ???' ??? ???? ???? '????'? '?? ???'? ???? ???? ???? ??? ???? ?? ??? '? ????'? ???? ???? ????? ??? ??? ??.
???? ??? ???? ??? ? ???? ???? ??? ??? ?????? ???? ???? ??? ??? ??? ??? ??? ????. ?? ???? ?? ??? ??? ??? ??? ?? ???? ???, ??? ?? ?? ??? ??? ?? ??? ????? ??? ??? ??? ????? ? ? ??.
?? ???? 1978? 5? ??? ???? ????. ?? ??????? ?????, ?? ????? ????? ?????.
????? ??? '????'?? ????? ???? ?? ?? ??? ???, ????? ????? ????.
? ???? SF?? '?? ???'???? ??.