Modern industrial hygiene

Revision	When	Who	Comment

12	October 18, 2022	ImportBot	import existing book
11	August 4, 2022	ImportBot	import existing book
10	July 30, 2010	IdentifierBot	added LibraryThing ID
9	April 25, 2010	Open Library Bot	Add goodreads IDs.
8	April 15, 2010	bgimpertBot	Added goodreads ID.
7	April 15, 2010	bgimpertBot	Added goodreads ID.
6	April 14, 2010	Open Library Bot	Linked existing covers to the edition.
5	December 11, 2009	WorkBot	link works
4	November 25, 2009	ImportBot	Found a matching record from Better World Books .
3	May 13, 2009	ImportBot	Found a matching record from Better World Books .
2	May 12, 2009	ImportBot	Found a matching record from Better World Books .
1	April 1, 2008		Imported from Scriblio MARC record.