Shimek, William J.,  <br/><br/>
The gram 

 - [n.p.] :   colour illustrations ;   19 cm 
<br/><br/><label>ISBN: </label>0822505886 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metric system - Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>389.152