http://www.humanbiologicaldiversity.com/articles/Salter%2C%20Frank.%20%22Estimating%20Ethnic%20Genetic%20Interests-%20Is%20It%20Adaptive%20to%20Resist%20Replacement%20Migration%3F%22%20Population%20%26%20Environment%2024%2C%20no.%202%20(2002)2.pdf