@inbook{ Martínez,

author = { Emilio Martínez Ibarra } ,

title = { Perception, attitude and opinion of the Spanish tourists about the episodes of extreme heat },

booktitle = { Sustainable Tourism },

isbn = { 978-1-84564-594-6 },

publisher = { Wit Press },

pages = { 245 - },

year = { 2012 },

}