Photocontrol of Growth and Pigment Synthesis in the Bean Seedling as Related to Irradiance and WavelengthDOI: info:10.2307/2438340v. 44No. 115–19
Klein, W. H., Withrow, R. B., Elstad, V., and Price, L. 1957. "Photocontrol of Growth and Pigment Synthesis in the Bean Seedling as Related to Irradiance and Wavelength." American Journal of Botany, 44, (1) 15–19. https://doi.org/10.2307/2438340.