J. Phys. Theor. Appl.
Volume 6, Numéro 1, 1897
Page(s) 169 - 173
J. Phys. Theor. Appl. 6, 169-173 (1897)
DOI: 10.1051/jphystap:018970060016900

Illusions qui accompagnent la formation des pénombres. Applications aux rayons X

G. Sagnac

Without abstract

4150 - X-ray beams and x-ray optics.

Key words
Penumbra -- X radiation

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