[28] Physikalisch-Chemische Tabellen, S. 42.
[29] Tucker’s Manual of Sugar Analysis, pp. 100 et seq.
[30] Vid. op. cit. supra, p. 108.
[31] Op. cit. supra, p. 109.
[32] Op. cit. supra, p. 110.
[33] Op. cit. supra, p. 114.
[34] Spencer’s Handbook for Sugar Manufacturers, p. 92.
[35] Landolt’s Handbook of the Polariscope, pp. 95 et seq.
[36] Robb, vid. op. cit. supra, p. 8.