Barbara Heller

发表

Barbara Heller, Sonja Schlegelmilch, Josef Meyer-Fujara, 1994, Inform. Spektrum.

Jean-Pierre Gazeau, Barbara Heller, J. Gazeau, 2014, Axioms.

Ipke Wachsmuth, Barbara Heller, Josef Meyer-Fujara, 1992 .

Ipke Wachsmuth, Barbara Heller, Sonja Schlegelmilch, 1995 .

Barry Smith, Heinrich Herre, Barbara Heller, 2001, FOIS.

Heinrich Herre, Barbara Heller, Kristin Lippoldt, 2004, DILS.

Heinrich Herre, Barbara Heller, H. Herre, 2005, AIME.

Erhard Rahm, Markus Löffler, Barbara Heller, 2004, CGP.

Heinrich Herre, Barbara Heller, 2006, Knowl. Based Syst..

Barbara Heller, B. Heller, 1991 .

Heinrich Herre, Barbara Heller, H. Herre, 2003 .