TY - BOOK AU - Chafee,Steven Henry,1935- TI - Two sources of value change: salience and pertinence SN - Y910041267 PY - 1965/// CY - Ann Arbor, Mich. PB - University Microfilms International KW - Communication KW - Research N1 - Thesis (Ph.D.) - Stanford University, 1965 ER -