Shell Agriculture 

 - London  Shell International Chemical Company Ltd. 
 - 3 núms./año 
<br/><br/>1988-89(i) ; 1990-91-93(i). 
<br/><br/><label>ISSN: </label>0953-9026 
<br/><br/><label>Subjects--Index Terms: </label>Plaguicidas Agricultura