Moore, Patrick. Nicolson, Iain <br/><br/>
Black holes in space 
Patrick Moore and Iain Nicolson. 
 - 1st American ed. 
 -  Norton New York  1974  c1974 
 - 126 p. :ill. ;22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0393064050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Black holes (Astronomy)--QB
<br/><br/><label>LC Class. No.: </label>QB843.B55M66 1974