On a conjecture of Tutte concerning minimal tree numbers. - F. Göbel; A. A. Jagers (J. Comb. Theory B, 1979)

On an Optimality Property of Ternary Trees - F. Göbel; Cornelis Hoede (Inf. Control., 1979)

On a 1-1-correspondence between rooted trees and natural numbers. - F. Göbel (J. Comb. Theory B, 1980)

Even graphs. - F. Göbel; Henk Jan Veldman (J. Graph Theory, 1986)

Label-connected graphs and the gossip problem. - F. Göbel; J. Orestes Cerdeira; Henk Jan Veldman (Discret. Math., 1991)

Coloring a graph optimally with two colors. - Haitze J. Broersma; F. Göbel (Discret. Math., 1993)

Generating all 3-connected 4-regular planar graphs from the octahedron graph. - Haitze J. Broersma; A. J. W. Duijvestijn; F. Göbel (J. Graph Theory, 1993)

Bipartite regular graphs with fixed diameter. - Haitze J. Broersma; F. Göbel (Networks, 1995)

Spanning trees with pairwise nonadjacent endvertices. - Thomas Böhme 001; Hajo Broersma; F. Göbel; Alexandr V. Kostochka; Michael Stiebitz (Discret. Math., 1997)

Magic Labelings of Graphs. - F. Göbel; Cornelis Hoede (Ars Comb., 1999)

Cyclic Graphs. - F. Göbel; E. A. Neutel (Discret. Appl. Math., 2000)