public String getCitedList(int id) {
		String query = "select paperid from dblpcitation where citationid="
				+ id + " order by paperid asc";
		ResultSet rs = sqLconnection.Query(query);
		String list = "";
		try {
			while (rs.next()) {
				int citedid = rs.getInt("paperid");
				list += citedid + ",";
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return list;
	}