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Four colours suffice : how the map problem was solved

Wilson, Robin J. (Robin James), 1943-2003
Books
Can every map be coloured with no more than four colours so that neighbouring countries are coloured differently? First posed in 1852, it took more than 100 years for this question to be answered with any degree of certainty. This book tells the story of the quest.
Imprint:
London : Penguin, 2003.
Collation:
xii, 262 p. : ill., facsims., maps, ports. ; 20 cm.
Notes:
Originally published: London: Allen Lane, 2002.Includes bibliographical references and index.
ISBN:
9780141009087 (pbk)
Dewey class:
514.22
Language:
English
BRN:
10721
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