The Proper Linear Spaces on 17 Points. - Anton Betten; Dieter Betten (Discret. Appl. Math., 1999)

Unitals and codes. - Anton Betten; Dieter Betten; Vladimir D. Tonchev (Discret. Math., 2003)

Proof of the oval conjecture for proper planar partition surfaces. - Dieter Betten; Rainer Löwen (Eur. J. Comb., 2005)

Unital designs with blocking sets. - Abdullah Al-Azemi; Anton Betten; Dieter Betten (Discret. Appl. Math., 2014)