Wyka, T. P. and Bohn, Andreas and Duarte, Heitor Monteiro and Kaiser, Friedemann and Lüttge, Ulrich (2004):
Perturbations of malate accumulation and endogenous rhythm of gas exchange in CAM plant Kalanchoë daigremontiana : testing the tonoplast-as-oscillator model.
In: Planta (ISSN 0032-0935), 219, pp. 705-713. [Article]

Wyka, T. P. and Lüttge, Ulrich (2003):
Contribution of C3 carboxylation to the circadian rhythm of carbon dioxide uptake in a crassulacean acid metabolism plant Kalanchoe daigremontiana.
54, In: Journal of experimental botany, pp. 1471-1479. [Article]