Hansen et al. 1969

Hansen, J. D. L. and Truswell, A. S. and Freeseman, C. and MacHutchon, B. 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}
}