Sciencepower  7 :  science, technology, society, environment / 

 - Toronto :  McGraw-Hill,  1999. 
 - 517 p.:  ill.; 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0075603578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>LC Class. No.: </label>Q161.2 .S384 1999