Timber products sectional committee, BDC 9. (1957). Indian standard: Specification for coniferous sawn timber intended for further conversion (Rev. reprinted.). Indian Standard institution.
Dyfyniad Arddull ChicagoTimber products sectional committee, BDC 9. Indian Standard: Specification for Coniferous Sawn Timber Intended for Further Conversion. Rev. reprinted. Delhi: Indian Standard institution, 1957.
Dyfyniad MLATimber products sectional committee, BDC 9. Indian Standard: Specification for Coniferous Sawn Timber Intended for Further Conversion. Rev. reprinted. Indian Standard institution, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.