%0 Generic %A Vaas, R. %D 2004 %T Time before Time: Classifications of universes in contemporary cosmology, and how to avoid the antinomy of the beginning and eternity of the world %+ External Organizations %0 Journal Article %A Vaas, R. %D 2004 %T The Inverted Big-Bang (Der umgestülpte Urknall) %J Bild der Wiss. %+ External Organizations %P 50-56 %N 4 %V 2004 %0 Book Section %A Bojowald, M. %A Tavakol, R. %E Vaas, R. %D 2008 %T Loop Quantum Cosmology II: Effective theories and oscillating universes %B Beyond the Big Bang: Prospects for an Eternal Universe %+ External Organizations %I Springer %C Berlin, Germany