Não informado. (2004). BRE news of timber research. Building Research Establishment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. BRE News of Timber Research. Garston, Inglaterra: Building Research Establishment, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. BRE News of Timber Research. Building Research Establishment, 2004.
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