Gascon M, Cirach M, Martinez D, Dadvand P, Valentin A, Plasencia A, Nieuwenhuijsen MJ. Normalized difference vegetation index (NDVI) as a marker of surrounding greenness in epidemiological studies: the case of Barcelona city. Urban For Urban Green. 2016 Sep;19:88-94. doi: 10.1016/j.ufug.2016.07.001
Beach RH, Poulos C, Pattanayak SK. Agricultural household response to avian influenza prevention and control policies. J Agr Appl Econ. 2007 Aug 1;39(2):301-11.
Rousu MC, Monchuk DC, Shogren JF, Kosa KM. Consumer willingness to pay for “second generation” genetically engineered products and the role of market information. J Agr Appl Econ. 2005 Dec;37(3):647-57. doi: 10.1017/S1074070800027140