00398nam a22001457i 4500001001000000005001700010008004100027082002300068100001700091245003800108260004300146300001700189650002800206020001800234SXC01977420260819093654.0260101s1984    ii            000 0 eng d  a510.2462 OGD-W222  aOgden, Harry10aWorkshop numeracy /cOgden, Harry  abPitman Publishing Ltd, London,c1984  ap. ;c22 cm. 0aEngineering mathematics  a9780273018988