Rodenburg, J., Bastiaan, L., Schapendonk, A. H. C. M., van der Putten, P. E. L., van Ast, A., Dingemanse, N. J., et al. (2008). CO2 assimilation and chlorophyll fluorescens as indirect selection criteria for host tolerance against Striga. Euphytica, 160(1), 75-87. doi:10.1007/s10681-007-9555-7.