0.578511</td>
      <td><a href="Topic_05.html#si2ewzkb">Pirie_2006</a>, <a href="Topic_02.html#ak6zgyh1">Lin_T_2011</a></td>
      <td><a href="Topic_02.html#cl60qmu3">Campa_2016</a>, <a href="Topic_02.html#l21a1hsg">Balli_2019</a>, <a href="Topic_05.html#94qom8px">Yang_2018</a>, <a href="Topic_02.html#c9no7taf">Seo_J_2009</a></td>
    </tr>
    <tr>
      <th id="94qom8px";>11</th>
      <td>Yang_2018</td>
      <td>The implications of high-speed railways on air passenger flows in China</td>
      <td>Yan