共 7 条
- [1] Braun P.B., 1957, TECH REV, V104, P249, DOI [10.1049/pi-b-1.1957.0041, DOI 10.1049/PI-B-1.1957.0041]
- [2] BRAUN PB, 1957, PHILIPS RES REP, V0012
- [3] GORTER EW, 1958, P GRENOBLE C FERROMA
- [4] Jonker GH, 1956, PHILIPS TECH REV, V18, P145
- [5] NEUHAUS A, 1950, FORTSCHR MINERAL, V29, P129
- [6] REMY H, 1956, TREATISE INORGANIC C, V2, P756
- [7] STUYTS AL, 1957, PHILIPS TECH REV, V19, P209