c719dda36eec4312c22fd951c5360996df29dc5b hueobrUSO_a197X.pdf 05b5fdcf177c3ab24ee663eeab6839bfaee4568f hueobrUSO_a1971m9.pdf ac4b5db940766cbadd3647a2178923f733609d5d hueobrUSO_a1972m12.pdf