TY - BOOK AU - Kaufman,Perry J. TI - Trading systems and methods T2 - Wiley trading advantage SN - 0471148792 U1 - 332.644 PY - 1998/// CY - New York PB - John Wiley KW - Trading systems KW - Trend calculation; Trend system; Momentum; Oscillators; Charting; Risk control N2 - Economics ER -