Lyman, D O <br/><br/>
The great powers.  [electronic resource] 

 -  Journal of public health management and practice : JPHMP  1995 
 - 85-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1078-4659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Diptera<br/>Humans<br/>Pest Control<br/>Public Health Practice<br/>San Francisco