Title: History of the use of derris as an insecticide
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF030262423%26ix=pm%26I=0%26V=D%26pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF030262423%26ix=pm%26I=0%26V=D%26pm=1</a>
Subjects: Botanical insecticides, Insecticidal plants, Derris.