ecifies the year in which the article was published. This
value is in the range 1987-2007 for this collection.
       </td>
       <td>
        optional
       </td>
       <td>
       </td>
      </tr>
      <tr>
       <td>
        37
       </td>
       <td>
        section
       </td>
       <td>
        <code>
         string
        </code>
       </td>
       <td>
        This field specifies the section of the paper in which the article
appears. This is not the name of the section, but rather a let