Author: HERTZSPRUNG, Ejnar.: Title: Effective wavelenghts of stars in the Pleiades from plates taken at Mount Wilson. [Kgl. Danske Vidensk. Skrift., Nat. math. Afd., 8. R., 4(4).]
Description: Copenhagen 1923. 4to. Pp. 61, 1 plate, 4 figs., tabs. Plain new wrappers.
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Price: EUR 20.00 = appr. US$ 21.74 Seller: Aquila Natural History Books / Aquila Antiquariaat
- Book number: 8861