Kenneth A. Spencer <br/><br/>
Letters on leaf miners 

 - Hague  W.jumk N.V.Publishers  1968 
 - 450p 
<br/><br/>Kenneth A. Spencer: Letters on leaf miners.  Hague.  W.jumk N.V.Publishers, 1968.--(595.7SPE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Entomology
<br/><br/><label>Dewey Class. No.: </label>595.7  / SPE