“Zur theorie des ferromagnetismus.” In Zeitschrift für Physik, Volume 49 (1928), pp. 619-636.

Berlin: Julius Springer, 1928. First edition. Item #7985

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).

Price: $950.00

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