Add this copy of Combinatorics: Room Squares, Sum-Free Sets, Hadamard to cart. $41.94, very good condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Brownstown, MI, UNITED STATES, published 1972 by Springer.
Add this copy of Combinatorics: Room Squares, Sum-Free Sets, Hadamard to cart. $48.31, good condition, Sold by Fireside Bookshop rated 4.0 out of 5 stars, ships from Stroud, GLOUCESTERSHIRE, UNITED KINGDOM, published 1972 by Springer.
Add this copy of Combinatorics: Room Squares, Sum-Free Sets, Hadamard to cart. $83.59, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 1972 by Springer-Verlag.
Add this copy of Combinatorics: Room Squares, Sum-Free Sets, Hadamard to cart. $87.08, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 1972 by Springer.