Não informado. (1989). International Journal of Refractory Metals & Hard Materials. Elsevier Applied Science.
Chicago (17e ed.) BronvermeldingNão informado. International Journal of Refractory Metals & Hard Materials. Oxford, Inglaterra: Elsevier Applied Science, 1989.
MLA (8e ed.) BronvermeldingNão informado. International Journal of Refractory Metals & Hard Materials. Elsevier Applied Science, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.