00667cam0-2200241 --450 991030944630332120190221124504.0(OCoLC)161269320190221d1960----km y0itay50 ----baengBuilding with steel[by] Don A. HalperinChicagoAmerican Technical Society[1960]254 pill.26 cmCostruzioniFerro e acciaio693.7Halperin,Don A.762466ITUNINARICAUNIMARCBK9910309446303321D 1/68106DINTRDINTRBuilding with steel1545720UNINA