[@book{612,
 address = {Pretoria},
 author = {Bates, M.F., Branch, W.R., Bauer, A.M., Burger, M., Marais, J., Alexander, G.J. and de Villiers, M.S.},
 publisher = {Suricata 1. South African National Biodiversity Institute},
 title = {Atlas and Red List of the Reptiles of South Africa, Lesotho and Swaziland},
 year = {2014}
}
,@book{2817,
 address = {Cape Town},
 author = {Branch, W.R.},
 publisher = {Struik Publishers},
 title = {Field Guide to Snakes and other Reptiles of Southern Africa. Third Edition},
 year = {1998}
}
,@techreport{5336,
 address = {Pretoria, South Africa},
 author = {Jacobsen, N.H.G.},
 institution = {Chief Directorate of Nature and Environmental Conservation},
 title = {The distribution and conservation status of reptiles and amphibians in the Transvaal. Final Report Project TN 6/4/1/30},
 year = {1989}
}
,@article{44979971,
 author = {Kelly, C.M.R., Barker, N.P., Villet, N.H., Broadley, D.G. and Branch, W.R.},
 journal = {Molecular Phylogenetics and Evolution},
 pages = {1045--1060},
 title = {The snake family Psammophiidae (Reptilia: Serpentes): phylogenetics and species delimitation in the African Sand Snakes (<i>Psammophis</i> Boie, 1825) and allied genera},
 volume = {47},
 year = {2008}
}
,@article{44979971,
 author = {Broadley, D.G.},
 journal = {African Journal of Herpetology},
 number = {2},
 pages = {83--119},
 title = {A review of the species of <i>Psammophis</i> Boie found south of Latitude 12&deg;S (Serpentes: Psammophiinae)},
 volume = {51},
 year = {2002}
}
,]