OBDURACY
\ˈɒbdjʊ͡əɹəsi], \ˈɒbdjʊəɹəsi], \ˈɒ_b_d_j_ʊə_ɹ_ə_s_i]\
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By Princeton University
By DataStellar Co., Ltd
By Nuttall, P.Austin.
By Stormonth, James, Phelp, P. H.