Dales DC <br/><br/>
Scientific achievement of the middle ages 

 - Philadelphia  University of Pennsylvania Press        1973 
 - ix, 182p.  cm. 
<br/><br/><label>Standard No.: </label>59352 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science history
<br/><br/><label>Dewey Class. No.: </label>Av1.J, L3