Zur theorie des ferromagnetismus." In Zeitschrift für Physik, Volume 49 (1928), pp. 619-636
first edition
1928 · Berlin:
by Heisenberg, Werner
Berlin: Julius Springer, 1928 First edition. Heisenberg's paper resolved the puzzle of magnetism in iron, which he developed independently of the quantum mechanical explanation of the nature of ferromagnetism offered that year by Yakov Frenkel (DSB, V, p. 160). (Inventory #: 7985)