NAME

         GO::Model::Modification - cross reference to external database

DESCRIPTION

       represents a cross reference to an external database

   mod_time
         Usage   -
         Returns -
         Args    -

       time in seconds > 1970

   person
         Usage   -
         Returns -
         Args    -

   type
         Usage   -
         Returns -
         Args    -

   time_gmtstr
         Usage   -
         Returns -
         Args    -

   pre_term_list
         Usage   -
         Returns -
         Args    -

   post_term_list
         Usage   -
         Returns -
         Args    -

   add_pre_term
         Usage   -
         Returns -
         Args    -

   add_post_term
         Usage   -
         Returns -
         Args    -