Ritti, R. Richard. <br/><br/>
The Ropes To Skip And The Ropes To Know/  English 
Ritti, R. Richard. 
 - 4th edi. 
 - New York:  Wiley,  1994. 
 - x,301p.:  22cm. 
<br/><br/><label>ISBN: </label>0471585939 
<br/><br/><label>Dewey Class. No.: </label>658.3124  / RIT