Clawson, Calvin C. The mathematical traveler : exploring the grand history of numbers / by Calvin C. Clawson. - / . - New Delhi : Viva Books , 2004. - 307.p. : figs, tables ; 23cm . Includes index and bibliography ISBN: 9788176498327 RS295.00 Subjects--Index Terms: MATHEMATICS Dewey Class. No.: 510 / CLA/M