00374nam a22001217a 4500008004100000050002000041100002600061245005700087260003300144300003600177650001600213700002300229150512b        xxu||||| |||| 00| 0 eng d  aQA 39 .C35 1964  aCalverley, Earld1964  aMathematics 7/cEarl Calverley and H. Howard Russell  aToronto:bW. J. Gage,c1964.  aix, 278p.: ill.bIncludes index  aMathematics  aRussell, H. Howard