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JOHNSON JR, C. Richard; SETHARES, W. A. Canvas Weave Match Supports Designation of Vermeer’s Geographer and Astronomer as a Pendant Pair. Journal of Historians of Netherlandish Art. 2017, roč. 9, čís. 1. Dostupné online [cit. 2020-06-17]. ISSN1949-9833. DOI10.5092/jhna.2017.9.1.17. (nizozemsky)
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