Lodewijk Woltjer

发表

Active Galactic Nuclei: Saas-Fee Advanced Course 20. Lecture Notes 1990. Swiss Society for Astrophysics and Astronomy

M. Mayor, Hagai Netzer, R. Blandford, 1991 .

Economic Consequences of the Deterioration of the Astronomical Environment

Lodewijk Woltjer, 1998 .