Heggie, Douglas C.. <br/><br/>
Megalithic science:Ancient mathematics and astronomy in northwest europe /  

 - 1st.Edn. /  
 - London :   Thames And Hudson. 
 - 256p :  
<br/><br/><label>ISBN: </label>0 500 27211 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>B8(V:17)`C  / M1