Dependence of the light transmission of copper ruby glass on the colouring time, colouring temperature and concentration
Riedel, L and Zschimmer, E
Dependence of the light transmission of copper ruby glass on the colouring time, colouring temperature and concentration - , 1929
Dependence of the light transmission of copper ruby glass on the colouring time, colouring temperature and concentration - , 1929