The international pharmacopeia  general methods of analysis 
World Health Oganisation. 
 - 3rd ed. 
 - Geneva  World health organization  1979 
 - 223p.; 24cm. 
<br/><br/><label>ISBN: </label>9241541504 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacopeias Dispensatories. 
<br/><br/><label>Dewey Class. No.: </label>615.11