Blanco, Carlos (2012). "Heliothis virescens and Bt cotton in the United States". GM Crops & Food: Biotechnology in Agriculture and the Food Chain. 3 (3): 201-212. doi:10.4161/gmcr.21439. PMID22892654.
jstor.org
"Dangers in the Manufacture of Paris Green and Scheele's Green". Monthly Review of the U.S. Bureau of Labor Statistics. 5 (2): 78-83. 1917. JSTOR41829377.
nih.gov
pubmed.ncbi.nlm.nih.gov
Blanco, Carlos (2012). "Heliothis virescens and Bt cotton in the United States". GM Crops & Food: Biotechnology in Agriculture and the Food Chain. 3 (3): 201-212. doi:10.4161/gmcr.21439. PMID22892654.