Prenzel, Howard V., Dynamic trendline charting : how to spot the big stock moves and avoid false signals / Howard V. Prenzel. - Englewood Cliffs, N.J. : Prentice-Hall, c1975. - 207 p. : ill. ; 26 cm. Includes index. eng ISBN: 0132217392 Subjects--Topical Terms: Investments.Stock exchanges.Hedging (Finance) Dewey Class. No.: 332.645 PRE