Practical Spectorscopy

Revision	When	Who	Comment

11	December 19, 2023	ImportBot	import existing book
10	January 15, 2023	ImportBot	import existing book
9	January 3, 2023	MARC Bot	import existing book
8	December 13, 2022	CoverBot	//covers.openlibrary.org/b/id/13047312-S.jpg
7	November 1, 2022	Scott365Bot	Linking back to Internet Archive.
6	April 28, 2011	OCLC Bot	Added OCLC numbers.
5	August 6, 2010	IdentifierBot	added LibraryThing ID
4	April 24, 2010	Open Library Bot	Fixed duplicate goodreads IDs.
3	April 16, 2010	bgimpertBot	Added goodreads ID.
2	December 14, 2009	WorkBot	link works
1	April 29, 2008		Imported from amazon.com record