"Òptica Aparells i instruments Aplicacions." . . "Magnetoòptica." . . "Magnétooptique." . . "Magneto optische verschijnselen." . . "Magneto-optische verschijnselen." . . . . "Researches in Magneto-Optics : with Special Reference to the Magnetic Resolution of Spectrum Lines" . "Researches in magneto optics : : With special reference to the magnetic resolution of spectrum lines" . . . . . . . . . . . . "Researches in magneto-optics with special reference to the magnetic resolution of spectrum lines, by P. Zeeman" . . "Researches in magneto-optics with special reference to the magnetic resolution of spectrum lines"@en . "Researches in magneto-optics with special reference to the magnetic resolution of spectrum lines" . . . . . . . . "Researches in magneto-optics : with special reference to the magnetic resolution of spectrum lines" . "Researches in magneto-optics, with special reference to the magnetic resolution of spectrum lines"@en . . "Researches in Magneto-Optics. With special reference to the magnetic resolution of spectrum lines" . "Researches in Magneto-Optics. With special reference to the magnetic resolution of spectrum lines"@en . . . . . . . . . . . "Zeeman, Effet." . .