Ramachandran, V. S., & Gregory, R. L. (1991). Perceptual filling in of artificially induced scotomas in human vision. Nature, 350(6320), 699?702.
Ramachandran, V. S. (1992). Filling in the blind spot. Nature, 356(6365), 115-115. doi:10.1038/356115a0
Stafford, T. & Webb, M. (2004). Mind Hacks: Tips and Tricks for using your brain. Sebastapol, CA: O'Reilly. See also http://mindhacks.com/book
van Lier, R., Vergeer, M., & Anstis, S. (2009). Filling-in afterimage colors between the lines. Current Biology, 19(8), R323-R324.
Weil, R. S., & Rees, G. (2011). A new taxonomy for perceptual filling-in. Brain Research Reviews, 67(1-2), 40-55.