1. The need of vision in homing by Myotis sodalis;Barbour;J. Mammal,1966
2. Quantitative studies of echolocation in bats (Myotis l. lucifugus); studies of vision in bats (Myotis l. lucifugus and Eptesicus f. fuscus); and quantitative studies of vision in owls (Tyto alba practincola);Curtis;Thesis deposited in the Library of Cornell University,1952
3. The use of vision in flight by the bat Myotis sodalis;Davis;Am. Midl. Nat,1965
4. Dressurversuche zur Feststellung eines optischen Orientierungsvermögens der Fledermäuse;Eisentraut;Jh. Ver. vaterl. Naturk. Württ,1950