Fleischer, R. C.; Perry, E. A.; Muralidharan, K.; Stevens, E. E. & Wemmer, C. M. (2001). “Phylogeography of the Asian Elephant (Elephas maximus) based on mitochondrial DNA”. Evolution55 (9): 1882–1892. doi:10.1111/j.0014-3820.2001.tb00837.x. PMID11681743.
Fleischer, R. C.; Perry, E. A.; Muralidharan, K.; Stevens, E. E. & Wemmer, C. M. (2001). “Phylogeography of the Asian Elephant (Elephas maximus) based on mitochondrial DNA”. Evolution55 (9): 1882–1892. doi:10.1111/j.0014-3820.2001.tb00837.x. PMID11681743.