Retschitzegger97'

@book{DBLP:books/infix/Retschitzegger97,
  author    = {Werner Retschitzegger},
  title     = {A Tour on TriGS. Devolopment of an Active System and Application
               of Rule Patterns for Active Database Design},
  publisher = {Infix Verlag, St. Augustin, Germany},
  series    = {DISDBIS},
  volume    = {39},
  year      = {1997},
  isbn      = {3-89601-439-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}