Esler, William K. <br/><br/>
Teaching elementary science/ 
William K. Esler and Mary Esler 
 - 4th ed. 
 - Belmont, CA.   Wadsworth Publishing Company,   1984. 
 - xiv, 540p.:   ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>053403408X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science -- Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>LB 1585 ESL 1984