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2. Über monoculaere Diplopie ohne physikalische Grundlage nebst Bemerkungen über das Sehen Schielender;Bielschowsky;Arch. f. Ophth.,1898
3. Moderne Schielbehandlung;Cüppers;Klin. Mbl. Augenheilk.,1956
4. Pathogenesis of eccentric fixation;von Noorden;Docum. Ophth.,1967
5. Temporal fixation in amblyopia;Gillies;Brit. J. Ophth.,1964