How Do You Spell TRAPP-HAESER FORMULA?

Correct spelling for the English word "Trapp-Haeser formula" is [tɹˈaphˈiːsə fˈɔːmjʊlə], [tɹˈaphˈiːsə fˈɔːmjʊlə], [t_ɹ_ˈa_p_h_ˈiː_s_ə f_ˈɔː_m_j_ʊ_l_ə] (IPA phonetic alphabet).