WURCS=2.0/3,4,5/[u1221m][u2122h_2*NCC/3=O][u2122h_2*N]/1-2-3-2/a?|b?|c?|d?}*OC_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?