Black holes, quasars and the universe

Revision	When	Who	Comment

7	March 1, 2022	ImportBot	import existing book
6	February 13, 2020	MARC Bot	remove fake subjects
5	February 8, 2011	EdwardBot	add lending subjects
4	January 19, 2011	ImportBot	add subjects from new record
3	May 5, 2010	ImportBot	add scanned books from the Internet Archive
2	April 28, 2010	Open Library Bot	Linked existing covers to the work.
1	December 10, 2009	WorkBot	add works page