P. Salz
发表
George Gabor,
Jorge Llacer,
Chris Witebsky,
1990,
Astronomical Telescopes and Instrumentation.
Federico Carminati,
Predrag Buncic,
Piergiorgio Cerello,
2003
.
Christoph Petereit,
P. Salz,
J. Cervera,
2014
.