Structural differentiation : a determinant of park popularity / Allan S. Mills, Theresa N. Westover
Patterns of equity preferences among californians for allocating park and recreation resources / John L. Crompton, Chi Chuan Lue
San Diego : portrait of a spectacular city / Syd Love
Vin, vignobles et tourisme: des relations à construire / Sophie Lignon-Darmaillac
Los Angeles : SAS City Portrait / Mike Simon