1. Microhistological examination of the secretory tissue in pyrethrum florets;Brewer;Pyrethrum Post,1973
2. Pyrethrum, the Natural Insecticide;Casida,1973
3. Pyrethrum Flowers: Production, Chemistry, Toxicology, and Uses;Casida,1995
4. Biosynthesis of pyrethrin I in seedlings of Chrysanthemum cinerariaefolium;Matsuda;Phytochemistry,2005
5. Biosynthesis of the pyrethrins;Crowley;Nature,1961