Lytle F. W. The EXAFS family tree: a personal history of the development of extended X-ray absorption fine structure // Journal of Synchrotron Radiation. — 1999. — Vol. 6. — P. 124. — doi:10.1107/S0909049599001260.
Jenkin J. G., Leckey R. C. G., Liesegang J. The development of x-ray photoelectron spectroscopy: 1900–1960 // Journal of Electron Spectroscopy and Related Phenomena. — 1977. — Vol. 12. — P. 14—16. — doi:10.1016/0368-2048(77)85065-2.