Röntgen raysde George F. BarkerMateriasX-raysEdiciones (2)Röntgen rays (1899)Harper & brothers · inglésRöntgen rays (1898)American book co. · inglésMás obras de George F. BarkerA text-book of elementary chemistry, theoretical and inorganicBBiographical memoir of Matthew Carey Lea, 1823-1897Biographical memoir of Matthew Carey Lea, 1823-1897MMemoir of Henry Draper; 1837-1882Memoir of Henry Draper; 1837-1882
BBiographical memoir of Matthew Carey Lea, 1823-1897Biographical memoir of Matthew Carey Lea, 1823-1897
RReport on the contamination of the water of the Schuylkill RReport on the contamination of the water of the Schuylkill River
AAn account of the progress in chemistry, 1879-1886An account of the progress in chemistry, 1879-1886