621.381 Ryd E Ryder , John Douglas , 1907- Engineerng electronics with industrial aplications and controk (by) John D. Ryder. 2d. ed. New York , McGraw-Hill (c1967) xiii, 690 p. diagrs . , gráficos 25 cm. (McGraw - Hill) electrical and electronic engineering series) Bibliografía al final de los capítulos.