| Index | PMID | Date | Reference |
|---|---|---|---|
| 1 | 7611282 | 1995 | Chen, Y.S., Torroni, A., Excoffier, L., Santachiara-Benerecetti, A.S., Wallace, D.C. (1995) Analysis of mtDNA variation in African populations reveals the most ancient of all human continent-specific haplogroups. American Journal of Human Genetics . 57 (1): 133-149 . |
| 2 | NA | 2014 | van Oven, M., Kayser, M. (2014) . http://www.phylotree.org . Variants appear in tree, sequence(s) available. Phylotree (Build 16): 19 Feb . |