The collapsing universe / by Isaac Asimov.

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Bibliographic Details
Online Access:	Full Text (via Internet Archive)
Main Author:	Asimov, Isaac, 1920-
Format:	eBook
Language:	English
Published:	New York : Walker, 1977.
Subjects:	Black holes (Astronomy) Astronomy.

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Holdings details from Online
Call Number:	QB843.B55 A84 1977
QB843.B55 A84 1977	Available