--- /dev/null
+Lead Selenide (From Palik I: pp. 520)\r
+ANGSTROMS\r
+NK\r
+ 2066. 0.64 0.86\r
+ 2254. 0.58 1.0\r
+ 2480. 0.54 1.2\r
+ 2755. 0.56 1.3\r
+ 3100. 0.64 1.9\r
+ 3542. 0.74 2.4\r
+ 4133. 1.25 3.20\r
+ 6199. 3.65 2.9\r
+ 8266. 4.64 2.64\r
+ 12400. 4.65 1.1\r