Thermal expansion of nickel and iron, and the influence of nitrogen on the lattice parameter of iron at the Curie temperature by Jinn-Wen Hwang (1972)

Original 1972 thesis, University of Missouri-Rolla. Its abstract reports a pure-nickel lattice parameter of $0.352389\mathrm{nm}$ at $25^{\circ }\mathrm{C}$, from X-ray measurements: scholarsmine.mst.edu/masters_theses/5049/ .