Sinclair, Ian Robertson. <br/><br/>
Switches / 
Ian R. Sinclair. 
 - Oxford :  BSP Professional,  1988. 
 - viii, 104 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0632020687 (pbk.)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Switching circuits.