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Last edited by ImportBot
July 29, 2014
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History of edits to

Industrial hygiene simplified

Revision When Who Comment Diff
4 July 29, 2014
ImportBot
 import new book    
3 December 5, 2010
Open Library Bot
 Added subjects from MARC records.    
2 April 28, 2010
Open Library Bot
 Linked existing covers to the work.    
1 April 16, 2010
WorkBot
 work found