Contributions National Swedish Institute for Plant Protection 
/by National Swedish Institute for Plant Protection 
 - Solna, Sweden :  National Swedish Institute for Plant Protection,  19- 
 - v. 
 - Irregular 
 - v.16 n.173, 1976 
<br/><br/> Se dejó de recibir a partir del v.16 n.173,1976. 
<br/><br/><label>LCCN: </label>81674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos--Rendimiento--Publicaciones periódicas.