Paulson, Murray D. (2007). "Mars: The 2007 Opposition". Journal of the Royal Astronomical Society of Canada. 101 (6). Royal Astronomical Society of Canada: 242–245. Bibcode:2007JRASC.101..242P.
hmnao.com
asa.hmnao.com
Her Majesty's Nautical Almanac Office and United States Naval Observatory (2012). "Conjunction". Glossary, The Astronomical Almanac Online. Archived from the original on 2013-06-15. Retrieved 2012-07-08.
Her Majesty's Nautical Almanac Office and United States Naval Observatory (2012). "Appulse". Glossary, The Astronomical Almanac Online. Archived from the original on 2013-06-15. Retrieved 2012-07-08.
Espenak, Fred (2004). "Total Solar Eclipse of 1962 Feb 05"(GIF image file). NASA Eclipse Web Site. NASA Goddard Space Flight Center. Retrieved 12 June 2013.
Her Majesty's Nautical Almanac Office and United States Naval Observatory (2012). "Conjunction". Glossary, The Astronomical Almanac Online. Archived from the original on 2013-06-15. Retrieved 2012-07-08.
Her Majesty's Nautical Almanac Office and United States Naval Observatory (2012). "Appulse". Glossary, The Astronomical Almanac Online. Archived from the original on 2013-06-15. Retrieved 2012-07-08.