edited by Arne Hessenbruch <br/><br/>
Encyclopaedia of the History of Science : a reader's guide : vol.2 : N-Z 

 - Penatgon Press, New Delhi  2002 
 - 436p 
<br/><br/><label>ISBN: </label>81-86830-42-1 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>General Reference Works
<br/><br/><label>Dewey Class. No.: </label>R 503 E.H.S.