Efficient algorithms for disjoint paths in planar graphs. - Heike Ripphausen-Lipa; Dorothea Wagner; Karsten Weihe (Combinatorial Optimization, 1993)

Book review. - Heike Ripphausen-Lipa (ZOR Methods Model. Oper. Res., 1993)

Efficient algorithms for disjoint Steiner trees packing problems in planar graphs. - Heike Ripphausen-Lipa (1994)

Linear-Time Algorithms for Disjoint Two-Face Paths Problems in Planar Graphs. - Heike Ripphausen-Lipa; Dorothea Wagner; Karsten Weihe (Int. J. Found. Comput. Sci., 1996)

The Vertex-Disjoint Menger Problem in Planar Graphs. - Heike Ripphausen-Lipa; Dorothea Wagner; Karsten Weihe (SIAM J. Comput., 1997)

Pedagogy sharing in the PROMIS project. - Daniel Bardou; Jean-Michel Adam; Marek Milosz; Agathe Merceron; Heike Ripphausen-Lipa; Kestutis Kapocius; Arto Toppinen (EDUCON, 2015)