Rigby, Sarah <br/><br/>
Bt in crop protection / 
Sarah Rigby 
 - 167 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CULTIVOS--MANUALES DE LABORATORIO
<br/><br/><label>Dewey Class. No.: </label>632.96  / R52b 1991