Twiname, Eric. <br/><br/>
The rules book :  the 1977-80 Yacht Racing Rules explained / 
Eric Twiname. 
 - London :  Coles,  1977. 
 - [6], 122 p. :  ill ;  19 cm. +  pbk. 
<br/><br/> Previous control number ISBN 0-229-11577-2. 
<br/><br/>Includes the text of the rules, Parts I, IV, V, VI and appendices 2, 3 and 6. 
<br/><br/><label>ISBN: </label>0229115799 
<br/><br/><label>Subjects--Corporate Names: </label><br/>I.Y.R.U.
<br/><br/><label>Dewey Class. No.: </label>623.82314