M. L. Ashley: Concerning the Significance of Intensity of Light in Visual Estimates of Depth. Psych. Rev. 5 (6), 595-615. 1898. Auch: Univ. of Chicago Contribut. to Philos. 2 (2), 595-614. 1899. G. M. Stratton: A Mirror Pseudoscope and the Limit of Visible Depth. Ebd. 632-638. 1898
Mentz.
1901.
M. L. Ashley: Concerning the Significance of Intensity of Light in Visual Estimates of Depth. Psych. Rev. 5 (6), 595-615. 1898. Auch: Univ. of Chicago Contribut. to Philos. 2 (2), 595-614. 1899. G. M. Stratton: A Mirror Pseudoscope and the Limit of Visible Depth. Ebd. 632-638. 1898.
In: Zeitschrift für Psychologie und Physiologie der Sinnesorgane 25: 213.