Il secondo anello del potere : = [The second ring of power] / Carlos Castaneda ; traduzione di Pier Francesco Paolini
Secondary cities of Argentina : the social history of Corrientes, Salta, and Mendoza, 1850-1910 / James R. Scobie ; completed and edited by Samuel L. Baily ; with a foreword by Ingrid Winther Scobie
2a Conferenza nazionale organismi non governativi per lo sviluppo : Roma, 27-29 novembre 1985 / Ministero degli affari esteri
Second rapport sur le programme de l’utilisation rationnelle de l’énergie : proposition de directive et recommandations du Conseil / Commission des communautés européennes
Second Doe-Enel workshop for Cooperative Research in Geothermal Energy : program and abstracts : October, 20-22 1980 Berkeley / United States Department of energy, ENEL