WURCS=2.0/4,5,4/[AUdxxxdh][uxxxxxh][uxxxxh][hxh_2*N]/1-2-2-3-4/a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?_a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?_a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?_a?|b?|c?|d?|e?}-{a?|b?|c?|d?|e?*OPO*/3O/3=O