00468nam a22001337a 4500003000400000005001700004008004100021020001500062040000700077050002000084100012100104245006000225260004900285OSt20170223141455.0170223b        xxu||||| |||| 00| 0 eng d  a1570394768  cRU  aQA39b.C69 1997  aArthur F. Coxford, James T. Fey, Christian R. Hirsch, Harold L. Schoen, Gail Burrill, Erick W. Hart, Anne E. Watkins  aContemporary mathematics in context, a unified approach  aChicagobEveryday learning corporationc1997