Helmut Sigel; Astrid Sigel <br/><br/>
Metals Ions in Biological System  Volume 39: Molybdenum and Tungsten: Their Roles in Biological Processes: 

 -  Taylor and Francis  2002 
<br/><br/><label>ISBN: </label>9780429221781 
<br/><br/><label>Source: </label>EBOOK