1.		The health care tourism product in western Europe / D. C. Gilbert, Marlies Van de Weerdt Autor: Gilbert, D. C. Coautor: ; Weerdt, Marlies Van de
2.		A case study of the development of farm tourism in Wales / E. T. Davies, D. C. Gilbert Autor: Davies, E. T. Coautor: ; Gilbert, D. C.