00381nam a22001457i 4500001001000000005001700010008004100027082001800068100001900086245004300105260003600148300001700184650001600201020001800217SXC01077020260819093509.0260101s1967    ii            000 0 eng d  a510 REI-S222  aReichmann, W J10aSpell of mathematics /cReichmann, W J  abPenguin Books, England,c1967  ap. ;c22 cm. 0aMathematics  a9780416464405