The Mass Production of Coccinellids and Nitidulids Predacious on Armored Scales 

 - Karachi, Pakistan:  Ministry of Food and Agriculture Council  1959 
 - ii, 56p.:  24cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scale insects--Biological Content
<br/><br/><label>Gov. Doc. Class. No.: </label>PAK FOO 2