WURCS=2.0/4,4,3/[u2211m][u212h][u211h][u26h_3*CO]/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?