Hanke, Steve H. (1981). "Project evaluation during inflation, revisited: A solution to Turvey's relative price change problem". Water Resources Research. 17 (6): 1737–1738. Bibcode:1981WRR....17.1737H. doi:10.1029/WR017i006p01737.
harvard.edu
ui.adsabs.harvard.edu
Hanke, Steve H. (1981). "Project evaluation during inflation, revisited: A solution to Turvey's relative price change problem". Water Resources Research. 17 (6): 1737–1738. Bibcode:1981WRR....17.1737H. doi:10.1029/WR017i006p01737.