@article{lp-multi,
   Author =     {Peter Van Roy and Per Brand and Denys Duchier and Seif Haridi and Martin Henz and Christian Schulte},
   Title =      {Logic programming in the context of multiparadigm programming: the Oz experience},
   journal =    {Journal of Theory and Practice of Logic Programming},
   year = 2003,
   month = nov,
   volume = 3,
   number = 6,
   pages = {715--763},
}