Note 140 — Chapter III · THE RATE OF GROWTH (continued 2)
Reading edition
Cf. Errera, L., L’Optimum, 1896 (Rec. d’Oeuvres, Physiol. générale, pp. 338–368, 1910); Sachs, Physiologie d. Pflanzen, 1882, p. 233; Pfeffer, Pflanzenphysiologie, ii, p. 78, 1904; and cf. Jost, Ueber die Reactionsgeschwindigkeit im Organismus, Biol. Centralbl. XXVI, pp. 225–244, 1906.