Oort and the universe : a sketch of Oort's research and person : liber amicorum presented to Jan Hendrik Oort on the occasion of his 80th birthday, 28 April 1980 / edited by Hugo van Woerden, Willem N. Brouw, and Henk C. van de Hulst.
Oort, Jan Hendrik.
Astronomy
Astronomers -- Netherlands -- Biography.
Oort, Jan Hendrik.
Woerden, Hugo van
Brouw, Willem N., 1940-
Hulst, H. C. van de (Hendrik Christoffel), 1918-