Bok, Bartholomeus Jan (1906-1983)

Structure and evolution of the Magellanic clouds : symposium held in Tübingen, West Germany, 5-8 September, 1983 / ed. by Sidney van den Bergh and Klaas S. de Boerschema:ProductModel

Photovisual magnitudes for the selected areas at d = + 75°, derived from plates taken at the Leander McCormick Observatory by H. L. Alden and P. van de Kamp / discussed by P.J. van Rhijn and B.J. Bokschema:ProductModel Photovisual magnitudes for the selected areas at d = + 75°, derived from plates taken at the Leander McCormick Observatory by H. L. Alden and P. van de Kamp / discussed by P.J. van Rhijn and B.J. Bokschema:ProductModel The proper motions of 2292 stars derived from plates taken at the Radcliffe Observatory / measured and discussed by P.J. van Rhijn, W.J. Klein Wassink and B.J. Bokschema:ProductModel The proper motions of 2292 stars derived from plates taken at the Radcliffe Observatory / measured and discussed by P.J. van Rhijn, W.J. Klein Wassink and B.J. Bokschema:ProductModel The secular parallax of the stars of different apparent magnitude and galactic latitude / by P.J. van Rhijn and B.J. Bokschema:ProductModel The secular parallax of the stars of different apparent magnitude and galactic latitude / by P.J. van Rhijn and B.J. Bokschema:ProductModel

A study of the ēta Carinae region / Bartholomeus Jan Bokschema:ProductModel A study of the ēta Carinae region / Bartholomeus Jan Bokschema:ProductModel De mythe van de astrologie / Bart J. Bok, Lawrence E. Jerome ; [vert. uit het Engels door Ivo Gay] ; voorw. B. Delfgaauwschema:ProductModel