Thurber, Walter A. <br/><br/>
Exploring physical science :  teacher's guide / 
Walter A. Thurber, Robert E. Kilburn, Peter S. Howell. 
 - Boston :  Allyn and Bacon,  c1977. 
 - 206 pages. 
<br/><br/><label>LC Class. No.: </label>QC23  / .T58 
<br/><br/><label>Dewey Class. No.: </label>500.2