Hansen et al. 1969

Hansen, J. D. L., A. S. Truswell, C. Freeseman & B. MacHutchon. 1969. The children of hunting and gathering Bushmen. South African Medical Journal 43. 1158.

@article{hansenetal1969,
  author  = {Hansen, J. D. L. and Truswell, A. S. and Freeseman, C. and MacHutchon, B.},
  journal = {South African Medical Journal},
  key     = {Hansen et al. (1969)},
  pages   = {1158},
  title   = {The children of hunting and gathering Bushmen},
  volume  = {43},
  year    = {1969}
}