1. Abel S, Theologis A (2010) Odysey of auxin. Cold Spring Harb Perspect Biol 10:a004872
2. Adduci P, Federico R, Carpinelli G, Pado F (1982) Temperature dependence of intracellular pH in higher plant cells. Planta 156:579–582
3. Allen JF (2010) Redox homeostasis in the mergence of life. On the constant internal environment of nascent living cells. J Cosmol 10:3362–3363
4. Allen CR, Allen S (1987) The titrimetric assay of H+ excreted by Ricinus communis cultivated on NH 4 + -N nutrient media: the effect of ionic strength and nutrient phosphate concentration. J Exp Bot 38:597–606
5. Allen S, Raven JA (1984) NH 4 + as N source increases water uptake by Ricinus. In: Cram WJ, Janacek K, Rybova R, Sigler K (eds) Membrane transport in plants. Academia, Praha, pp 105–106