Hardy, John T <br/><br/>
science, technology and the environment 
John T Hardy 
 - Philadelphia:  W.B. Saunders,  1975. 
 -  329p. 
<br/><br/> PB 
<br/><br/>Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0721645135 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>301.243  / HAS