Mayer, E. L <br/><br/>
Nicotine insecticides :   Part TV-Preliminary toxicity tests with nicotinium salts  / 
E. L. Mayer, [et.al.] 
 - Washington  :   Department of Agriculture 
 - 10 p. 
 - EUA. Dept. of Agriculture; E-725 .
<br/><br/><label>LCCN: </label>203030 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nicotina como insecticida