Wetherbe, James C. <br/><br/>
The world on time / 
James C. Wetherbe 
 - Santa Mónica :  Knowledge Exchange,  1996       
 - 199 p. 
<br/><br/><label>ISBN: </label>1888232064 
<br/><br/><label>LC Class. No.: </label>HE 5896 W539w 1996