WURCS=2.0/4,4,4/[h2122h_2*NCC/3=O][u2112h][u2122A][hxh]/1-2-3-4/a?|b?|c?|d?}*OSO/3=O/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?*1NCCOP^XO*2/6O/6=O