A system of chemistry

Revision	When	Who	Comment

8	July 14, 2020	MARC Bot	remove fake subjects
7	November 28, 2012	AnandBot	Fixed spam edits.
6	November 26, 2012	Chris Beina	Edited without comment.
5	December 3, 2010	Open Library Bot	Added subjects from MARC records.
4	December 3, 2010	Open Library Bot	Added subjects from MARC records.
3	May 6, 2010	EdwardBot	add Accessible book tag
2	April 28, 2010	Open Library Bot	Linked existing covers to the work.
1	December 10, 2009	WorkBot	add works page