1. Dev, S.; Koul, O.Insecticides of Natural Origin; Harwood Academic Publishers: Amsterdam, The Netherlands, 1997; pp 3−21.
2. Plant essential oils for pest and disease management
3. Weinzierl, R.; Henn, T.Alternatives in insect management:biological and biorational approaches; Extension Publication 401; Cooperative Extension Service, University of Illinois at Urbana−Champaign: Urbana−Champaign, IL, 1991; pp 15−31.