Sompoch Tabchareon, Srisuwan Chomchai, Neramit Sookmanee, Wanee Chaiwatanasin and Somwong Trakulrung 2002. Genetic Diversity of Spotted Large White, Large White and Pietrain Using Microsatellite Analysis. Agriculture and Natural Resources. 36, 2 (Jun. 2002), 138–143.