Leonard George Marsh <br/><br/>
Exploring the metric system 

 - London  : A & C Black  1969 
 - 48p  20cm 
 - Let's explore mathematics .
<br/><br/><label>ISBN: </label>0713610212 
<br/><br/><label>Subjects--Uniform Titles: </label><br/> Metric system.
<br/><br/><label>Dewey Class. No.: </label>389.15 M365e