https://hdl.handle.net/11256/661 Experimental spectroscopic data Sat, 25 Apr 2026 08:43:09 GMT 2026-04-25T08:43:09Z http://materialsdata.nist.gov:80/bitstream/id/1d113a0f-c12e-42fb-a800-13aad7b166cb/ https://hdl.handle.net/11256/661