Steward, R.C. (1977). "Industrial and non-industrial melanism in the peppered moth Biston betularia (L.)". Ecological Entomology. 2 (3): 231–243. doi:10.1111/j.1365-2311.1977.tb00886.x. S2CID85624115.
Cook L.M. (2003). "The rise and fall of the Carbonaria form of the peppered moth". The Quarterly Review of Biology. 78 (4): 399–417. doi:10.1086/378925. PMID14737825. S2CID26831926.
Cook L.M. (2003). "The rise and fall of the Carbonaria form of the peppered moth". The Quarterly Review of Biology. 78 (4): 399–417. doi:10.1086/378925. PMID14737825. S2CID26831926.
Steward, R.C. (1977). "Industrial and non-industrial melanism in the peppered moth Biston betularia (L.)". Ecological Entomology. 2 (3): 231–243. doi:10.1111/j.1365-2311.1977.tb00886.x. S2CID85624115.
Cook L.M. (2003). "The rise and fall of the Carbonaria form of the peppered moth". The Quarterly Review of Biology. 78 (4): 399–417. doi:10.1086/378925. PMID14737825. S2CID26831926.