TY  - RPRT
TI  - Study of optical properties and collective oscillations in new solid-state materials as a function of temperature using infrared and Raman techniques Semiannual report, 1 Aug. 1968 - 31 Jan. 1969
AU  - Perry, C. H.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19690018642
ID  - 19690018642
ER  -