Derivation of the change of colour with distance and apparent magnitude together with a new determination of the mean parallaxes of the stars with given magnitude and propermotion
| Main Author: | Rhijn, Pieter Johannes van (-) |
|---|---|
| Format: | Book |
| Bahasa: | dut |
| Terbitan: |
Groningen :
Gebroeders Hortsemaf
, 1915
|