Weiske, Wolfgang. <br/><br/>
The characteristic curves of the thyristor / 
Wolfgang Weiske. 
 - Berlin :  Siemens Aktiengesellschaft,  1989. 
 - 61 p. :  ill. ;  21 cm. 
 - Programmed instruction 31. .
<br/><br/><label>ISBN: </label>3800947315 (pbk)