1. Agrochemicals, Preparation & Mode of Action;Cremlyn,1991
2. Chemistry of Pesticides: Their Metabolism, Mode of Action and Uses in Crop Protection;Hassall,1982
3. History of Botanical Science;Morton,1981
4. J.M. Foley, Homer's Traditional Art, University Park, PA, 1999.
5. Pliny the Elder. The Natural History;Bostok,1855