Zimmerman, Robert,  1953- <br/><br/>
The chronological encyclopedia of discoveries in space / 
by Robert Zimmerman. 
 - Phoeniz, AZ :  Oryx Press,  2000. 
 - xix, 410 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographical references (p. 381-383) and index. 
<br/><br/><label>ISBN: </label>1573561967 (alk. paper) 
<br/><br/><label>LCCN: </label>99056080 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Outer space--Exploration--History--Chronology.
<br/><br/><label>LC Class. No.: </label>QB 500.262  / .Z56 2000