Sweden's Economy 1968 : An Economic Survey / Svenska Handelsbanken
Segmented Inbound Portugal Reports : Austria, Belgium, France, Germany, Ireland, Italy, Netherlands, Spain, Sweden, United Kingdom. / European Travel Monitor
Spatial cognition and the choice of destination : a note on the preparation of a research program / Lars Nyberg
Études Économiques de l'OCDE / Organisation de Coopération et de Développement Économiques