Outer space as a natural resources / Luboŝ Perek. - Perek, Luboš. (OLS)http://pul/name/60580 (s. n.], 1983)
Bibliografia in nota.

Apocalypticism, prophecy and magic in early Christianity : collected essays / David E. Aune. - Aune, David Edward. (OLS)http://pul/name/24911 (Mohr Siebeck, 2006)
Indici: p. [419]-482.
Bibliografia in nota.