The Exploratorium science snackbook :   [teacher created versions of Exploratorium exhibits /  
editors: Pat Murphy, Don Rathjen] 
 -- [San Francisco] :    Exploratorium Teacher Institute,    1991 
 - VIII, 254 p. :   il. ;   28 cm 
<br/><br/>Bibliografía 
<br/><br/>ISBN 0943451256 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencia - Apuntes
<br/><br/><label>Universal Decimal Class. No.: </label>5(076.5)