李廉步

宇宙的鑰匙愛因斯坦 = Albert Einstein by: 劉思源; Ferri, Giuliano; 李廉步; 朱里安諾 ((Ferri, Giuliano)) (Language materials, printed) , [文]

蘋果的引力牛頓 = Isaac Newton by: 伊凡基斯塔 ((Evangelista, Mauro)); Evangelista, Mauro; 李廉步; 牛頓 ((Newton, Isaac, Sir, 1642-1727)); 劉思源 (Language materials, printed) , [文]