TY - BOOK AU - Oberti, Guido. AU - Castoldi, Aldo, coaut. ED - Istituto Sperimentale Modelli e Strutture (Italia). TI - New trends in model research on large structures / Guido Ob-erti , Aldo Castoldi CY - Bergamo, [Italia] : ISMES N1 - "Paper presented at the 9th Congress fo the International A-ssociation for Bridge and Structural Engineering, Amsterdam-, May 1972" ER -