     </td>
       <td>
        <code>
         i32
        </code>
       </td>
       <td>
        This field specifies the month on which the article was published in the
range 1-12 where 1 is January 2 is February etc.
       </td>
       <td>
        optional
       </td>
       <td>
       </td>
      </tr>
      <tr>
       <td>
        36
       </td>
       <td>
        publicationYear
       </td>
       <td>
        <code>
         i32
        </code>
       </td>
       <td>
        This field sp