@book{holden_thobani_1999, 
  title={Tradable Water Rights: A Property Rights Approach to Resolving Water Shortages and Promoting Investment}, 
  DOI={10.1596/1813-9450-1627}, 
  publisher={The World Bank}, 
  author={Holden and Thobani}, 
  year={1999}, 
  month={Nov}
  }