Barton NH. The width of the hybrid zone in Caledia captiva. Heredity. 1981;47:279-282. doi:10.1038/hdy.1981.86

Barton NH, Hewitt G. The genetic basis of hybrid inviability between two chromosomal races of the grasshopper Podisma pedestris. Heredity. 1981;47(3):367-383. doi:10.1038/hdy.1981.98

Barton NH. The hybrid sink effect. Heredity. 1980;44:277-278. doi:10.1038/hdy.1980.23

Barton NH. The fitness of hybrids between two chromosomal races of the grasshopper Podisma pedestris. Heredity. 1980;45:47-59. doi:10.1038/hdy.1980.49

Barton NH. Gene flow past a cline. Heredity. 1979;43(3):333-339. doi:10.1038/hdy.1979.86

Barton NH. The dynamics of hybrid zones. Heredity. 1979;43(3):341-359. doi:10.1038/hdy.1979.87