@book{ BB15680409,
author = "Beethoven, Ludwig van and Lockwood, Lewis and Gosman, Alan",
title = "Beethoven's "Eroica" sketchbook : a critical edition",
publisher = "University of Illinois Press",
year = "2013",
series = "Beethoven sketchbook series",
number = "",
URL = "https://ci.nii.ac.jp/ncid/BB15680409"
}