Noretta Koertge <br/><br/>
New Dictionary of Scientific Biography. Vol. 2  

 - London  Thronton Butterworth Limited  2008 
 - 433p 
 -  Vol. 2 .
<br/><br/>Noretta Koertge: New Dictionary of Scientific Biography. Vol. 2.  London.  Thronton Butterworth Limited, 2008. 0-684-31322-7--(925KOE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-684-31322-7 
<br/><br/><label>Dewey Class. No.: </label>925  / NDSB