Appel, Gerald. <br/><br/>
Stock market trading systems / 
Gerald Appel, W. Frederick Hitschler. 
 - Homewood, Ill. :  Dow Jones-Irwin,  1980. 
 - xi, 208 p. :  graphs ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>087094195X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stock--exchange.<br/>Stock price forecasting.<br/>Stocks.