"Entscheidungsunterstützungssystem." . . . "Contributed papers presented at an international conference held at Kolkata, in November 2001; in the Indian context." . . . . "Conference papers and proceedings" . "Urban environment management : local government and community action" . . . . . . . . . . . . . . "Südasien." . . "Stadtverwaltung." . . "Umweltbezogenes Management." . . . .