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Dyfyniad Arddull ChicagoNicholas, Lionel, Jenny M. Lewis, and Beverley Smith. Towards Energy Efficient Appliances: A Directory of Current Developments 1987. Melbourne: Dept. of Industry, Technology and Resources, 1987.
Dyfyniad MLANicholas, Lionel, et al. Towards Energy Efficient Appliances: A Directory of Current Developments 1987. Dept. of Industry, Technology and Resources, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.