An approach to physical science :  physical science for nonscience students / 
by the PSNS Project staff 
 - New York :  John Wiley & Sons,  1969 
 - xiv, 534 p. :  ill. (part col.) ;  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics<br/>Astrophysics