Optical spectra of some rare earth and transuranic elements in the 1-3 micron region.
Bovey, L.,author.
Steers, E. B.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"May, 1959."
Sold but not published by H.M. Stationery Office.