Ring Leonard <br/><br/>
Backs :    a common sense approach to back injury prevention / 
by Leonard Ring.   
 - Auckland :   UNIPRINT,   1993.  
 - 138p. :   ill. ;   24cm. 
<br/><br/><label>ISBN: </label>0473018322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Back--Wounds and injuries--Prevention
<br/><br/><label>LC Class. No.: </label>WO 700