Optima and limiting factors. With two diagrams in the text

[1] ARMSTRONG EF, 1904, P ROY SOC, V23

[2] Bredig G., 1901, ANORGANISCHE FERMENT

[3] CZAPEK, BIOCH PFLANZEN, V1, P345

[4] CZAPEK F, 1904, BIOCH PFLANZEN

[5] HOFMEISTER F, 1901, CHEM ORG ZELLE

[6] PFEFFER, PHYSIOLOGY, V1

[7] PFEFFER, PHYSL PLANTS, V2, P77

[8] 1903, Z PHYSL CHEM, V37, P396

[9] 1904, PHIL T ROY SOC B, V197, P85

[10] 1890, BER DEUT BOT GES

[1] ARMSTRONG EF, 1904, P ROY SOC, V23

[2] Bredig G., 1901, ANORGANISCHE FERMENT

[3] CZAPEK, BIOCH PFLANZEN, V1, P345

[4] CZAPEK F, 1904, BIOCH PFLANZEN

[5] HOFMEISTER F, 1901, CHEM ORG ZELLE

[6] PFEFFER, PHYSIOLOGY, V1

[7] PFEFFER, PHYSL PLANTS, V2, P77

[8] 1903, Z PHYSL CHEM, V37, P396

[9] 1904, PHIL T ROY SOC B, V197, P85

[10] 1890, BER DEUT BOT GES