Lefroy, H.Maxwell . <br/><br/>
Insecticides /  Textual Documents 
H.Maxwell Lefroy. 
 - 1st ed. / 
 - Calcutta :  Govt. Printing ,  1911. 
 - 21p. :  ill ;  22cm . 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Insecticides G-Technology 
<br/><br/><label>Dewey Class. No.: </label>632.9  / M 451 In