{"id":"001415139","type":"article","title":"Observation of Winckelmann on the \"a sacco\" masonry","publisher":"Epfl Press","publisher-place":"Lausanne","pages":"282-285","container-title":"Concrete, from archeology to invention, 1700 - 1769 : the Renaissance of Pozzolana and Roman construction techniques / Roberto Gargiani","author":[{"family":"Gargiani","given":"Roberto"}],"issued":{"raw":"2013"}}