WURCS=2.0/4,4,5/[u2112m][u2211m][u2112h][u212h]/1-2-3-4/a?|b?|c?|d?}*OCC/3=O_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?