Calculus

Revision	When	Who	Comment

7	July 30, 2019	MARC Bot	associate edition with work OL3941526W
6	September 20, 2017	Jeysson Pérez G	Update covers
5	November 28, 2012	AnandBot	Fixed spam edits.
4	November 22, 2012	188.190.127.69	Edited without comment.
3	December 4, 2010	Open Library Bot	Added subjects from MARC records.
2	April 28, 2010	Open Library Bot	Linked existing covers to the work.
1	December 10, 2009	WorkBot	add works page