Optimal Fares for Public Transport. - Ralf Borndörfer; Marika Neumann; Marc E. Pfetsch (OR, 2005)

Fare Planning for Public Transport. - Marika Neumann (OR, 2006)

Line Planning and Connectivity. - Ralf Borndörfer; Marika Neumann; Marc E. Pfetsch (Models and Algorithms for Optimization in Logistics, 2009)