Stephens, Sally <br/><br/>
Instructor's manual to accompany discovering the cosmos / 
Sally Stephens. 
 - California :  University Science Press,  c1996. 
 - xiv, 199 p. :  ill.;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/> 	      Solar system -- Origin. 
<br/><br/><label>Dewey Class. No.: </label>520.2  / STI