WURCS=2.0/3,4,3/[AUd21122h][u2122h_2*N][u211h_4*N]/1-2-2-3/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?*OPO*/3O/3=O