Ryūji Yamamoto

Gyōsei hanrei hyakusen

Gyōsei hanrei hyakusen

2012

Gendai fuhō kōi hōgaku no buns

Gendai fuhō kōi hōgaku no bunseki

1997

Konpyūta shisutemu rō

Konpyūta shisutemu rō

1993

Sekai no ijihō

Sekai no ijihō

1992