@book{ BA41590656,
  author    = "Meyerbeer, Giacomo and Rellstab, Ludwig and Procter-Gregg, Humphrey",
  title     = "Shepherd's song : for voice and piano (with clarinet obbligato) = Hirtenlied",
  publisher = "International Music Co.",
  year      = "1976",
  URL       = "http://ci.nii.ac.jp/ncid/BA41590656"
}