$(document).ready(function() {
  
  $('.publication-description').prepend('<a class="publication-description-show">[ + show description ]</a>');
  $('.publication-description').append('<a class="publication-description-hide">[ - hide description ]</a>');
  $('.publication-description-hide, .publication-description-content').hide();
  $('.publication-description-show, .publication-description-hide').click(function() {
    $(this).parent().children().toggle();
  });
  
});