On Shelling Structures - Support and Sum. - Erhard Hexel (J. Inf. Process. Cybern., 1988)

Simple Greedoids. - Erhard Hexel (J. Inf. Process. Cybern., 1988)

Book review. - Erhard Hexel (ZOR Methods Model. Oper. Res., 1993)

On Paths of Greedoids and a Minor Characterization. - Erhard Hexel (Eur. J. Comb., 1994)

On vertex-degree restricted paths in polyhedral graphs. - Igor Fabrici; Erhard Hexel; Stanislav Jendrol'; Hansjoachim Walther (Discret. Math., 2000)

On light graphs in the family of 4-connected planar graphs. - Erhard Hexel (Discret. Math., 2002)

On short cycles through prescribed vertices of a graph. - Frank Göring; Jochen Harant; Erhard Hexel; Zsolt Tuza (Discret. Math., 2004)

On short cycles through prescribed vertices of a polyhedral graph. - Erhard Hexel (Discuss. Math. Graph Theory, 2005)

On short paths through prescribed vertices of a graph. - Erhard Hexel (Discret. Math., 2007)

On vertices enforcing a Hamiltonian cycle. - Igor Fabrici; Erhard Hexel; Stanislav Jendrol' (Discuss. Math. Graph Theory, 2013)

On the H-force number of Hamiltonian graphs and cycle extendability. - Erhard Hexel (Discuss. Math. Graph Theory, 2017)