Marcovitch, S <br/><br/>
Supplementary investigations of the fluosilicates as insecticides :   with observations on the effect of heat and drought on the mexican bean beetle  / 
S. Marcovitch 
 - Knoxville, Tennessee  :   Agricultural Experiment Station 
 - 13 p. 
 - Tennessee. Agri. Exp. Sta. Bull; 134 .
<br/><br/><label>LCCN: </label>203095 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epilachna varivestis  Frijol -- Plagas