addPB, deletePB, upPB, downPB, &available_model_, &selected_model_, 1);
connect(selectionManager, SIGNAL(selectionChanged()),
this, SLOT(setCitedKeys()));
connect(selectionManager, SIGNAL(updateHook()),
this, SLOT(updateControls()));
connect(selectionManager, SIGNAL(okHook()),
addPB, deletePB, upPB, downPB, &available_model_, &selected_model_, 1);
connect(selectionManager, SIGNAL(selectionChanged()),
this, SLOT(setCitedKeys()));
connect(selectionManager, SIGNAL(updateHook()),
this, SLOT(updateControls()));
connect(selectionManager, SIGNAL(okHook()),