"ワタナベ" . "ガク ワタナベ" . . "ガク" . . . "2000" . "渡辺學" . "渡辺學" . "1916" . "Manabu" . "學" . "Gaku Watanabe" . "渡辺学" . "Gaku Watanabe"@en . "学 渡辺"@ja-JP . "渡辺学" . . "Manabu Watanabe" . "Watanabe"@en . "渡辺學" . "学" . "學 渡辺" . "渡辺" . "Gaku"@en . . .