WURCS=2.0/4,4,3/[u2122h_2*N][u2112h_2*N][u2112A_2*N][u2112A]/1-2-3-4/a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?