>
            </td>
<td>
              <p>
                Erich Gamma, Richard Helm, Ralph Jhonson, and John Vlissides
              </p>
            </td>
<td>
              <p>
                Design Patterns, Elements of Reusable Object-Oriented Software. Addison-Wesley,
                1995.
              </p>
            </td>
</tr>
<tr>
<td>
              <p>
                9.
              </p>
            </td>
<td>
              <p>
                Alfred V. Aho, Revi Sethi, Feffrey D. Ulman
    