@techreport{NettesheimReich1997, author = {Peter Nettesheim and Sebastian Reich}, title = {Symplectic Multiple-Time-Stepping Integrators for Quantum-Classical Molecular Dynamics}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-97-56}, language = {eng}, year = {1997} }