@article{smith_oosthuizen_harris_venter_combrink_roodt_2011, 
  title={SYSTEM OF SYSTEMS ENGINEERING � THE LINK BETWEEN OPERATIONAL NEEDS AND SYSTEM REQUIREMENTS#}, 
  volume={23}, 
  DOI={10.7166/23-2-329}, 
  publisher={Stellenbosch University}, 
  author={Smith and Oosthuizen and Harris and Venter and Combrink and Roodt}, 
  year={2011}, 
  month={Nov}
  }