J. Ehlers has written at least 1 book. Their most popular book is Gravitational Lenses with 1 save with an average rating of -⭐.
Series
6 released booksAuthored 17% of series
Astronomy and Astrophysics Library is a 6-book series with 6 released primary works first released in 1973 with contributions by Martin Harwit, Peter Schneider, and J. Ehlers.