@article{YinW97,
  title = {(3, λ)-group divisible covering designs},
  author = {J. Yin and J. Wang},
  year = {1997},
  url = {http://ajc.maths.uq.edu.au/pdf/15/ocr-ajc-v15-p61.pdf},
  researchr = {https://researchr.org/publication/YinW97},
  cites = {0},
  citedby = {0},
  journal = {Australasian J. Combinatorics},
  volume = {15},
  pages = {61-70},
}