We thank Greg Laughlin for providing his code and for valuable insights into the van Leer advection scheme. We are also grateful to Gerd Hensler for comments and discussions on chemo-dynamical evolution of galaxies. This work was supported by Deutsche Forschungsgemeinschaft with grant 436RUS17/121/96S. VK thanks Prof. Miyama for his kind hospitality at NAO where part of this work was performed.
© European Southern Observatory (ESO) 1999
Online publication: June 30, 1999