Tracy, G. R. <br/><br/>
Modern physical science 
Goerge R. Tracy, Harry  ,E .Tropp and Alfred  E. Friedl 
 - New York:  Rinehart and Winston,  1974. 
 - vi, 585 p.:  ill.;  24 cm. 
<br/><br/> Includes Appendix,bibliographical index and glossary 
<br/><br/><label>ISBN: </label>0030415101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>physical science
<br/><br/><label>LC Class. No.: </label>DUCE Q161.2.T72