@article{43729,
      author = {Graff, Gregory D., and Pardey, Philip G.,},
      url = {http://tind.wipo.int/record/43729},
      title = {Inventions and patenting in Africa : Empirical trends from  1970 to 2010.},
      doi = {https://doi.org/10.1111/jwip.12139},
      recid = {43729},
      pages = {1 online resource (pages 40-64)},
}