TY - BOOK AU - Ries,Al AU - Trout,Jack TI - Positioning : the battle for your mind T2 - McGraw-Hill management series SN - 0071002731 : U1 - 659.1 19 PY - 1986/// CY - New York PB - McGraw-Hill KW - Positioning KW - Spines KW - Advertising N2 - Business ER -