de VriesHl: The Minimum Angular Acceleration Under Various Conditions, Acta Oto-laryng.37:218–229, 1949.
2.
JongkeesL. B. W.GroenJ. J.: The Nature of the Vestibular Stimulus, J. Laryng. and Otol.61:529–541 (Oct.) 1946.
3.
GroenJ. J.JongkeesL. B. W.: The Turning Test with Small Regulable Stimuli. III. The Advantages of Cupulometria Over the Classic Technique of Barany, J. Laryng. and Otol.62:231–235 (Apr.) 1948.
4.
GroenJ. J.JongkeesL. B. W.: The Threshold of Angular Acceleration and Perception, J. Physiol.107:1–7 (Jan. 1) 1948.
5.
HulkJ.JongkeesL. B. W.: Turning Test with Small Regulable Stimuli; Normal Cupulogram, J. Laryng. & Otol.62:70–75 (Feb.) 1948.
6.
van EgmondA. A. J.GroenJ. J.JongkeesL. B. W.: The Turning Test with Small Regulable Stimuli. I. Method of Examination: Cupulometria, J. Laryng. and Otol.62:63–69 (Feb.) 1948.