Some f-values for transitions in Zr II, Zr III and Sr I /

Autor Malloy, P. J., Czyzak, Stanley J.
Vydáno 1978

Monochromatic photographs of giant H II regions in the magellanic clouds /

Autor Czyzak, Stanley J., Aller, Lawrence H. 1913-2003
Vydáno 1977

Some problems concerning the collisional excitation of forbidden lines in planetary nebulae /

Autor Czyzak, Stanley J., Walker, Merle F., 1926-, Aller, Lawrence H. 1913-2003
Vydáno 1969