TY - BOOK AU - Bernstein,Jacob TI - Seasonality: systems, strategies and signals T2 - Wiley trading advantage series SN - 0471168114 U1 - 332.63222 21 PY - 1998/// CY - New York, Chichester PB - Wiley KW - Stocks KW - Prices KW - Seasonal variations (Economics) N1 - Includes index ER -