Esler, William K. <br/><br/>
Teaching elementary science / 
William K. Esler, Mary K. Esler. 
 - 5th ed. 
 - Belmont, Calif. :  Wadsworth Publishing,  c1989. 
 - xii, 546p. :  ill. ;  24cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0534095283 
<br/><br/><label>LCCN: </label>88014422  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>LB1585  / .E84 1989 
<br/><br/><label>Dewey Class. No.: </label>372.35044 ESL