RT Journal Article SR Electronic T1 Biomathematics, vol. 5—The Genetic Structure of Populations. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 215 OP 216 DO 10.1136/jmg.12.2.215-b VO 12 IS 2 A1 Charles Smith YR 1975 UL http://jmg.bmj.com/content/12/2/215.3.abstract AB