Esler, William K. <br/><br/>
Teaching elementary science / 
William K. Esler, Mary K. Esler. 
 - 6th ed. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  c1993. 
 - xiv, 601 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>053417700X 
<br/><br/><label>LCCN: </label>92004815  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>LB1585  / .Es4 1993 
<br/><br/><label>Dewey Class. No.: </label>372.3/5044