Link persistente deste registo: http://id.bnportugal.gov.pt/bib/rnod/316819
Smyth, C. Piazzi
Madeira spectroscopic : being a revision of 21 places in the red half of the solar visible spectrum with a rutherfurg diffraction grating at Madeira during de summer of 1881 / C. Piazzi Smyth . - Edinburgh: [s.n.], 1882 . - 32, [21] p.