[1] J. De Marchi, “The Immaculate Heart,” Farrar, Straus and Young, New York, 1952.
[2] A. Meessen, “Apparitions and Miracles of the Sun,” In- ternational Forum in Porto “Science, Religion and Con- science”, Porto, 23-25 October 2003, pp. 199-222.
[3] M. Hope-Ross, S. Travers, D. Mooney, “Solar Retinopa- thy Following Religious Rituals,” British Journal of Oph- thalmology, Vo. 72, No. 12, 1988, pp. 931-934
[4] S. Campbell, “The Miracle of the Sun at Fátima,” Journal of Meteorology, Vol. 14, No. 142, 1989
[5] Amateur Film of the Phenomenon of “Miracle of the Sun”, Soraca (Columbia), 4 April 2009. http://www.youtube.com/watch?v=oszQcCmUe3U
[6] Amateur Film of the Phenomenon of “Miracle of the Sun”, Medjugorje (Bosnia and Herzegovina), 8 February 2009. http://www.youtube.com/watch?v=Eg2UMzCIcPM
[7] Amateur Film of the Phenomenon of “Miracle of the Sun”, Medjugorje (Bosnia and Herzegovina), 9 Septem- ber 2009. http://www.youtube.com/watch?v=udfZjF0yL-8
[8] Amateur Film of the Phenomenon of “Miracle of the Sun”, Medjugorje (Bosnia and Herzegovina), 5 October 2010. http://www.youtube.com/watch?v=-K8K5GFWFME
[9] Amateur Film of the Phenomenon of “Miracle of the Sun”, Parana (Brazil), 1 August 2011. http://www.youtube.com/watch?v=p6jQlzmfnNA
[10] P. Simons, “Weather Secrets of Miracle at Fátima,” The Times, 17 February 2005.
[11] M. Majchrowski and J. W?sowski, “Partial Differential Equations and Their Applications”. http://alpha.mini.pw.edu.pl/~mm/konw/index.html