ID - 131773246 TI - Graph colouring and variations AU - Werra, D de AU - Hertz, A PY - 1989 SN - 9780444705334 0444705333 9780080867793 0080867790 1281793272 9781281793270 9786611793272 6611793275 PB - Amsterdam New York New York, N.Y., U.S.A. North-Holland Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co. DB - UniCat KW - Topology KW - Graphic arts UR - https://www.unicat.be/uniCat?func=search&query=sysid:131773246 AB - Graph Colouring and Variations. ER -