Wells, Gordon Ronald. <br/><br/>
Traffic engineering :  an introduction / 
Gordon Wells. 
 - 2nd ed. 
 - London :  Charles Griffin,  1979. 
 - ix, 190 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references : p. 183-185. 
<br/><br/><label>ISBN: </label>0852642547 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic engineering.