WURCS=2.0/5,7,6/[a211h-1a_1-5][a2211m-1a_1-5][a222h-1b_1-5][a2122h-1b_1-5][a2211m-1a_1-?]/1-2-3-4-4-4-5/a2-b1_b3-c1_c4-d1_d4-e1_e3-f1_f6-g1