TY - BOOK AU - Slywotzky,Adrian J. TI - Value migration: how to think several moves ahead of the competition SN - 0875846327 AV - HG4028.V3 S57 1996 S57 1996 U1 - 658.4/012 20 PY - 1996/// CY - Boston, Mass. PB - Harvard Business School Press ER -