Richards, Owain Westmacott,  1901-1984 <br/><br/>
Tratado de entomología imms  
O. W. Richards, R. G. Davies 
 - Barcelona  Omega  1983-1984 
 - 2 v.  il. 
<br/><br/><label>ISBN: </label>8428207232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Entomología<br/>Insectos
<br/><br/><label>Dewey Class. No.: </label>595.7  / R53