WURCS=2.0/4,4,3/[hU1222h][u2122m_2*NCC/3=O][u2112A][hxh]/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?*N*