TY - BOOK AU - Parvin Atai TI - Contrastive study of English and Persian question signals T2 - University of Michigan , Linguistics (Department of-) , dissertation , 1964 U1 - P1110m164,366, K4 (PD) PY - 1964/// CY - Ann arbor PB - Univ Microfilms KW - LINGUISTICS ER -