Global eradication of smallpox 
/Final report of the global commission for the certification of small pox Eradication Geneva December 1979 
 - Geneva:   World Health Organization,   1980 
 - 122p. 
<br/><br/><label>ISBN: </label>92-4-156065-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Smallpox
<br/><br/><label>Subjects--Index Terms: </label>Eradication 
<br/><br/><label>Universal Decimal Class. No.: </label>616.912.004.7  / M0