• publisher: Boston, D.C. Heath & Co.
  • creator: Helmholtz, Hermann von, 1821-1894 Shumway, Daniel Bussier, 1868- ed
  • contributor: Shumway, Daniel Bussier, 1868- ed.
  • Keyword: German language Readers Science. Science.
  • years: 1904.
  • pages: xi, 195 p.
  • class: Q123
  • download: pdf file