1. Observations on the clinical features and neurological mechanism of spontaneous nystagmus resulting from unilateral acoustic neuro-fibromata;Dix, M.R.; Hallpike, C.S.;Acta Oto-laryng. (Stockh.); Electronystagmography and its uses in the study of spontaneous nystagmus,1966
2. Der Nachweis von schwachen, beigewohnlicher Beobachtung nicht Sichtbarem Spontannystagmus;Frenzel, H.;Klin. Wschr,1928
3. Some types of ocular nystagmus and their neurological mechanisms;Hallpike, C.S.;Proc. roy. Soc. Med,1967
4. Benign positional vertigo;Harrison, M.Spencer,1964
5. Vestibular neuronitis;Harrison, M.;Spencer; Acda,1969