Cerroni S, Watson V, Kalentakis D, Macdiarmid JI. Value-elicitation and value-formation properties of discrete choice experiment and experimental auctions. Eur Rev Agric Econ. 2019 Feb;46(1):3-27. doi: 10.1093/erae/jby014
Edwards PET, Parsons GR, Myers KH. The economic value of viewing migratory shorebirds on the Delaware Bay: an application of the single-site travel cost model using on-site data. Hum Dimens Wildl. 2011;16(6):435-44. doi: 10.1080/10871209.2011.608180
Rothman KJ. Computation of exact confidence intervals for the odds ratio. Int J Biomed Comput. 1975 Jan;6(1):33-9.
Rothman KJ. Computer analysis for case-control studies with individual matching. Int J Biomed Comput. 1974 Oct;5(4):241-7.