Spencer Wells (2002), The Journey of Man: A Genetic Odyssey, Princeton University Press, ISBN0-691-11532-X, «... the population of south-east Asia prior to 6000 years ago was composed largely of groups of hunter-gatherers very similar to modern Negritos ... So, both the Y-chromosome and the mtDNA paint a clear picture of a coastal leap from Africa to south-east Asia, and onward to Australia ... DNA has given us a glimpse of the voyage, which almost certainly followed a coastal route va India ...».
Anvita Abbi (2006), Endangered Languages of the Andaman Islands, Lincom Europa, «... to Myanmar by a land bridge during the ice ages, and it is possible that the ancestors of the Andamanese reached the islands without crossing the sea ... The latest figure in 2005 is 50 in all ...».
