10% off all books and free delivery over £40
Buy from our bookstore and 25% of the cover price will be given to a school of your choice to buy more books. *15% of eBooks.

All Editions of Poincaré Duality Algebras, Macaulay's Dual Systems, and Steenrod Operations By Dagmar M GeorgAugustUniversität, Göttingen, Germany Meyer, Larry GeorgAugustUniversität, Göttingen, Germany Smith