Orthonormal integrators based on Householder and Givens transformations
  We carry further our work [DV2] on orthonormal integrators based on Householder and Givens transformations. We propose new algorithms and pay particular attention to appropriate implementation of these techniques. We also present a suite of Fortran codes and provide numerical testing to show the efficiency and accuracy of our techniques. 
Luca Dieci (Georgia Tech) and Erik S. Van Vleck (Colorado School of   Mines)