Links
[1] http://design.rootiers.it/strutture/forum/13
[2] http://design.rootiers.it/strutture/taxonomy/term/16
[3] http://design.rootiers.it/strutture/sites/default/files/ESERCITAZIONE%202_1.pdf
[4] http://design.rootiers.it/strutture/sites/default/files/esercitazione%20ripartizione%20forze%20sismiche.xls