The Two point mass gravitational lens
By: B. Grieger ... [et al.].
Series: Abhandlungen aus der Hamburger Sternwarte -- Bd. 10, heft 4
Publisher: Hamburger Sternwarte
Published: 1989
Place of publication: Hamburg-Bergedorf
Language: eng
Number of pages: 222
Subjects: Gravitational lenses
Notes: Cover title.

Includes bibliographical references (leaves 221-222).