39.
"On
the Limit
of
Validity
of
the
Law
of
Thermodynamic
Equilibrium
and
on
the
Possibility
of
a
New Determination
of
the
Elementary
Quanta"
[Einstein 1907b]
Dated
Bern,
December 1906
Received
12
December 1906
Published
5
March 1907
In:
Annalen
der
Physik
22
(1907):
569-572.