Zwicky, F. (1939). On the Formation of Clusters of Nebulae and the Cosmological Time Scale.
Citação norma ChicagoZwicky, F. On the Formation of Clusters of Nebulae and the Cosmological Time Scale. 1939.
MLA CitationZwicky, F. On the Formation of Clusters of Nebulae and the Cosmological Time Scale. 1939.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.