[1.]
In this connection, see Hesse, J. Ind. Eng. Chem.,
7 (1915), 293.
[2.]
See also Bacon, Science, N. S., 40 (1914),
871.
[3.]
For a detailed description of the Mellon Institute and
its work, see Bacon and Hamor, J. Ind. Eng. Chem., 7 (1915),
326-48.
