Agrobacterium mediated transformation of 'Marsh' and 'Star Ruby' grapefruit (Citrus paradisi Macf.) and 'Valencia' sweet orange with the coat protein gene of Citrus Tristeza Closterovirus Palacios Torres, E.C.; Gutierrez Espinosa, M.A.; Moore, G.A. Proceedings of the Interamerican Society for Tropical Horticulture 44: 107-110 2001 https://eurekamag.com/research/003/636/003636553.php