DemberW. N.EarlR. W.ParadiseN. (1957). Response by rats to differential stimulus complexity. J. comp. physiol. Psychol.50, 514–8.
2.
HagerH. J. (1938). Untersuchungen über das optische Difieringierungsvermögen der Fische. Z. vergl. Physiol.26, 282–302.
3.
HerterK. (1929). Dressurversuche an Fischen. Z. vergl. Physiol.10, 688–711.
4.
HerterK. (1930). Weitere Dressurversuche en Fischen. Z. vergl. Physiol.11, 730–48.
5.
LashleyK. S. (1938). The mechanism of vision: XV Preliminary studies of the rat's capacity for detail vision. J. gen. Psychol.18, 123–93.
6.
MeestersA. (1940). Uber die Organisation des Gesichsfeldes der Fische. Z. Tierpsychol.4, 84–149.
7.
MunnN. L. (1930). A note on Lashley's method for studying vision in the rat. J. genet. Psychol.37, 528–30.
8.
SutherlandN. S. (1957). Visual discrimination of orientation and shape by Octopus. Nature179, 11–3.
9.
SutherlandN. S. (1960a). Visual discrimination of orientation by Octopus: Mirror images. Brit. J. Psychol.51, 9–18.
10.
SutherlandN. S. (1960b). Theories of shape discrimination in Octopus. Nature186, 840–4.
11.
SutherlandN. S. (1960c). Visual discrimination of shape by Octopus: Open and closed forms. J. comp. physiol. Psychol.53, 104–12.
12.
SutherlandN. S. (1961). Visual discrimination of horizontal and vertical rectangles by rats in a new discrimination training apparatus. Quart. J. exp. Psychol.13, 117–21.
13.
SutherlandN. S.CarrA. E. (1962). Visual discrimination of open and closed shapes by rats: II. Transfer tests. Quart. J. exp. Psychol.14, 140–56.
14.
ZuniniG. (1937). Contribute allo studio dell' apprendimento dei pesci, (Phoxinus laevis Agas). Arch. ital. Psicol., Fasc. II, E.III25, 3–33.