Trussed rafters for houses / by A. T. Hansen.
Hansen, A. T.
Trussed rafters for houses / by A. T. Hansen. - Ottawa, [Canada] : esesarch - [33] p. - Technical paper; No. 153 .
Trussed rafters for houses / by A. T. Hansen. - Ottawa, [Canada] : esesarch - [33] p. - Technical paper; No. 153 .