Comptons encyclopedia and fact-index - vol. 9  g-gyro 

 - Chicago  Compton's Learning  1986 
 - iii, 270p. : col.ill. 
<br/><br/> Contains 26 volumes 
<br/><br/><label>ISBN: </label>852294352 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia -- Compton's encyclopedia<br/>Encyclopedia -- Fact index