共 9 条
- [1] Bystroem A., 1947, ARK KEMI MINERAL GEO, V24, P33
- [2] HAVEN Y, 1949, DISC FARADAY SOC CRY, V5
- [3] INFRA-RED TRANSMISSION LIMITS OF SINGLE CRYSTALS OF SOME FLUORIDES [J]. PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B, 1952, 65 (395): : 906 - 907
- [4] JONES DA, 1951, THESIS ABERDEEN U
- [5] Ketelaar JAA, 1932, Z KRISTALLOGR, V84, P62
- [6] KOLDERUP NH, 1924, BERGENS MUSEUM HARBO, V2
- [7] SCHUMANN A, 1933, ZBL MINER GEOL PAL A, V122
- [9] TWYMAN F, 1952, PRISM LENS MAKING, P171