TY - BOOK AU - Appel,Gerald AU - Hitschler,W.Frederick TI - Stock market trading systems AV - HG4551 .A615 U1 - 332.63/22 19 PY - 1980/// CY - Homewood, Ill. PB - Dow Jones-Irwin KW - Stock exchange KW - Local KW - Stocks KW - Stock price forecasting N1 - Includes index ER -