1. Über die Änderung der Sehschärfe mit dem Wachstum bei Aequidens portalegresis (Hensel) (Pisces, Cichildae);Baerends;Zool. Jb. Georgr.,1960
2. Activities of the Chihuahua deermouse in relation to light intensity;Blair;J. Wildl. Mgmt,1943
3. Development of nystagmus of vestibular origin and effects of early rotatory experimence;Clark,1967
4. The ontogeny of perception;Fantz,1965