Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers

by Harvey Washington Wiley

[132] Vid. op. et. loc. cit. 4.

[133] Bulletin No. 43, p. 343 (to paragraph 156).

[134] American Chemical Journal, Vol. 2, pp. 27, et seq.

[135] Vid. op. et. loc. cit. supra.

[136] Weather Bureau: Barometers and Measurements of Atmospheric Pressures.

[137] Physikalisch-Chemische Tabellen Landolt und Börnstein, S. 32.

[138] Battle and Dancy: Conversion Tables, p. 34.

[139] Bulletin No. 43, p. 348 (to paragraph 169).

[140] Guide pour le dosage de l’Azote No. 3, p. 8.

[141] Zeitschrift für analytische Chemie, Band 23, S. 557.