$1!O(':`(B: $1'CI-;T'X['`P!_A(B($1!Os!0!'[M(B) 1975-1986s - $1'K'!04!<7!9f'CZ!R]'X[!;Ps ($1'a,'1L!X$'0X'U<!DC!UW!0P'Rw'^]s, 1994)
Keywords: $1!04!Oz3BD!S,(B--$1!WN!04!O(':`s