*Sándor Kiss, "The Orthic-of-Intouch and Intouch-of-Orthic Triangles," "Forum Geometricorum" 6 (2006) 171-177.
* Sándor Kiss, "The Orthic-of-Intouch and Intouch-of-Orthic Triangles, "Forum Geometricorum" 6 (2006) 171—177.