WURCS=2.0/4,5,4/[a2221m-1a_1-5][a2211m-1a_1-5][a2211m-1a_1-5_4*OC][a2122m-1b_1-5_3*N]/1-2-2-3-4/a2-b1_b3-c1_c3-d1_d3-e1