Felker, P.; Bunch, R.; Tine, J. A. .; Russo, G. R.; Arnold, M.; Wang, F.; Wang, F.; Rong, Y.; Wright, M. Stable Transformation of Opuntia Ficus Indica Callus Cultures As Evidenced by Fluorescence of the Tandem Dimer Tomato Gene. J PROF ASSOC CACTUS 2018, 20, 34-51.