Chemical principles

Revision	When	Who	Comment

11	December 19, 2023	ImportBot	import existing book
10	January 4, 2023	MARC Bot	import existing book
9	August 4, 2022	ImportBot	import existing book
8	May 25, 2022	ImportBot	import existing book
7	December 17, 2020	MARC Bot	import existing book
6	August 18, 2010	IdentifierBot	added LibraryThing ID
5	April 24, 2010	Open Library Bot	Fixed duplicate goodreads IDs.
4	April 16, 2010	bgimpertBot	Added goodreads ID.
3	December 15, 2009	WorkBot	link works
2	October 28, 2008	ImportBot	Found a matching record from Library of Congress .
1	October 7, 2008	ImportBot	Imported from Library of Congress MARC record.