http://www.volontariatogiovane.it/public/zjg7/index.asp http://www.siadsicilia.it/public/bcd10/index.asp http://www.twtcclub.com.tw/userfiles/QJR1/index.asp http://www.bulgarelli.it/Image/asp4/index.asp http://hotelfiordipino.com/userfiles/lh5/index.asp
	"Field" 3D drawing on 5 plastic sheets, (500x200x180 cm), 1976