1.
A First Course of Homological Algebra
by Northcott, Douglas G.
ISBN: 9780521299763
List Price: $31.99
3.
Introduction to Homological Algebra - Douglas G. Northcott - Hardcover
by Northcott, Douglas G.
ISBN: 9780521058414
List Price: $44.50
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Affine Sets and Affine Groups (London Mathematical Society Lecture Note Series)
by Northcott, Douglas G.
ISBN: 9780521229098
List Price: $45.00
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