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(EN) Ulf T. Eysel, Georg Schweigart, Thomas Mittmann, Dirk Eyding, Ying Qu, Frans Vandesande, Guy Orban, Lutgarde Arckens, Reorganization in the visual cortex after retinal and cortical damage, in Restorative Neurology and Neuroscience, vol. 15, n. 2-3, 1999, pp. 153-164, PMID12671230. URL consultato il 17 luglio 2010 (archiviato dall'url originale il 29 gennaio 2013).