P1042 Yn cynnwys cyfeiriadau llyfryddol = Includes bibliographic references.
P1073 Testun Cymraeg/Saesneg tête-bêche = Welsh/English text tête-bêche.
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Rheoli ynni yn y GIG yng Nghymru. Published by National Assembly for Wales in 2006. Publication and catalogue information, links to buy online and reader comments.