On a Problem Concerning Tolerance Graphs. - Thomas Andreae; Ulf Hennig; Andreas Parra (Discret. Appl. Math., 1993)

How to Use the Minimal Separators of a Graph for its Chordal Triangulation. - Andreas Parra; Petra Scheffler (ICALP, 1995)

Characterizations and Algorithmic Applications of Chordal Graph Embeddings. - Andreas Parra; Petra Scheffler (Discret. Appl. Math., 1997)

Triangulating Multitolerance Graphs. - Andreas Parra (Discret. Appl. Math., 1998)