WURCS=2.0/4,4,4/[u1221m][u2122h][u2112h][u2122A]/1-2-3-4/a?|b?|c?|d?}*OCC/3=O_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?_a?|b?|c?|d?}-{a?|b?|c?|d?