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Graney، C. M.؛ Grayson، T. P. (2011)، "On the Telescopic Disks of Stars: A Review and Analysis of Stellar Observations from the Early 17th through the Middle 19th Centuries"، Annals of Science، ج. 68، ص. 351–373، DOI:10.1080/00033790.2010.507472
Graney، C. M. (2009)، "17th Century Photometric Data in the Form of Telescopic Measurements of the Apparent Diameters of Stars by Johannes Hevelius"، Baltic Astronomy، ج. 18، ص. 253–263، arXiv:1001.1168، Bibcode:2009BaltA..18..253G