by Gumbo, J.R., Cloete, T.E., van Zyl, G.J.J., Sommerville, J.E.M.
Published in Physics and chemistry of the earth. Parts A/B/C (01.01.2014)

by Christie, J., Bodenstein, L.L., Van der Merwe, L.L., Sommerville, J.E.M., Schwan, E.V.
Published in Journal of the South African Veterinary Association (01.06.2011)

by Christie, J., Bodenstein, L.L., Van der Merwe, L.L., Sommerville, J.E.M., Schwan, E.V.
Published in Journal of the South African Veterinary Association (01.06.2011)

by Rikhotso, B.O., Bryson, N.R., Sommerville, J.E.M., Stoltsz, W.H.
Published in Journal of the South African Veterinary Association (01.12.2005)

by Rikhotso, B.O., Bryson, N.R., Sommerville, J.E.M., Stoltsz, W.H.
Published in Journal of the South African Veterinary Association (01.12.2005)

by Sommerville, J.E.M
Published in Journal of South African botany (1981)

by Rikhotso, B.O, Stoltsz, W.H, Bryson, N.R. (Pretoria Univ., Onderstepoort (South Africa). Dept. of Veterinary Tropical Diseases), Sommerville, J.E.M
Published in Journal of the South African Veterinary Medical Association (01.12.2005)

by Moll, E.J., Sommerville, J.E.M.
Published in South African journal of botany (01.06.1985)

by Moll, E.J, Sommerville, J.E.M
Published in South African journal of botany = Suid-Afrikaanse tydskrif vir plantkunde (1985)

by Stock, W.D, Sommerville, J.E.M, Lewis, O.A.M
Published in Oecologia (01.05.1987)