Cărți de B. E. Westerlund

Spectral Classification and Multicolour Photometry

Editat de B. E. Westerlund et al.

30 noi 1973

Preț: 1257^.11 lei 1533^.05 lei

6-8 săpt.

-18%

Problems of Calibration of Absolute Magnitudes and Temperature of Stars

International Astronomical Union Symposia, nr. 54

Editat de B. Hauck et al.

31 oct 1973

Preț: 380^.20 lei

6-8 săpt.