Smith, Howard W. <br/><br/>
The blood of the cockroach Periplaneta americana L. cell structure and degeration, and cell counts. Studies of contact insecticides XIII  / 
by Howard W. Smith 
 - Durham, N. H.  :   Agricultural Experiment Station 
 - 23 p. 
 - New Hampshire Agri. Exp. Sta. Technical bulletin; 71 .
<br/><br/><label>LCCN: </label>202754 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cucarachas -- Sangre  Insecticidas -- Pruebas  Control de plagas  Insecticidas de contacto