Kosa KM, Cates SC, Ball M, Godwin SL, Coppings RJ. Consumers' response and preparedness to ensure food safety during extended power outages: findings from a national survey. International journal of food safety, nutrition and public health. 2014 Jul 17;5(1):34-45. doi: 10.1504/IJFSNPH.2014.063503
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