Promisel, N. E. (1964). The science and technology of tungsten, tantalum, molybdenum, niobium and their alloys: Based on an AGARD Conference on Refractory Metals held at Oslo University Center, Oslo-Blindern, Norway 23-26 June 1963. Oxford,: Pergamon Press.
Παραπομπή Chicago StylePromisel, Nathan E. The Science and Technology of Tungsten, Tantalum, Molybdenum, Niobium and Their Alloys: Based On an AGARD Conference On Refractory Metals Held At Oslo University Center, Oslo-Blindern, Norway 23-26 June 1963. Oxford,: Pergamon Press, 1964.
Παραπομπή MLAPromisel, Nathan E. The Science and Technology of Tungsten, Tantalum, Molybdenum, Niobium and Their Alloys: Based On an AGARD Conference On Refractory Metals Held At Oslo University Center, Oslo-Blindern, Norway 23-26 June 1963. Oxford,: Pergamon Press, 1964.