Thompson , Kevin. “The Problem and the Solution : The Optics Behind the Hubble 1st Servicing Mission ”. Physicae Proceedings 1, no. 1 (abril 25, 2011): 1–1. Acessado maio 6, 2024. https://econtents.bc.unicamp.br/eventos/index.php/phyproceedings/article/view/physicae.proceedings.XEJP.2.