The earliest settlers' antiquity and evolutionary history of Indian populations: evidence from M2 mtDNA lineage oleh Kotal M, Das B, Mukherjee P Aditi, Koneru Padmaja, Uttaravalli Kiran, Ravuri Rajasekhara R, Padmanabham PBSV, Kumar Satish, Xaviour D, Saheb SY, Rao VR