Wallenquist, A. (1931). Annalen V.D. Bosscha-Sterrenwacht Lembang (Java): A study of the variation of the space density in the direction of southern galactic clusters on the basis of a spectral investigation of white stars. Bandoeng: Drukkerij.
Chicago Style CitationWallenquist, A. Annalen V.D. Bosscha-Sterrenwacht Lembang (Java): A Study of the Variation of the Space Density in the Direction of Southern Galactic Clusters On the Basis of a Spectral Investigation of White Stars. Bandoeng: Drukkerij, 1931.
MLA CitationWallenquist, A. Annalen V.D. Bosscha-Sterrenwacht Lembang (Java): A Study of the Variation of the Space Density in the Direction of Southern Galactic Clusters On the Basis of a Spectral Investigation of White Stars. Bandoeng: Drukkerij, 1931.