On negative after-images, and their relation to certain other visual phenomena
Proceedings of the Royal Society of London, 1901-09, Vol.68 (442), p.262-285
Scanned images copyright © 2017, Royal Society ;ISSN: 0370-1662 ;EISSN: 2053-9126 ;DOI: 10.1098/rspl.1901.0046
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