Lelivelt, Cilia L.C., McCabe, Matthew S., Newell, Christine A., de Snoo, C. Bastiaan, van Dun, Kees M.P., Birch-Machin, Ian, Gray, John C., Mills, Kingston H.G. and Nugent, Jacqueline M. (2005) Stable plastid transformation in lettuce (Lactuca sativa L.). Plant Molecular Biology, 58 (6). pp. 763-774. ISSN 0167-4412