@book{ BB02299905, author = "河合, ひとみ", title = "描き込み式色えんぴつ画練習帳 : 描いて上達!色のぬり方・重ね方の基本とポイント", publisher = "日本文芸社", year = "2010", series = "実用best books", number = "", URL = "https://ci.nii.ac.jp/ncid/BB02299905" }