00320nam a2200097Ia 4500008004100000082001900041100001600060245010100076260003000177300001500207250404b        |||||||| |||| 00| 0 eng d  a515.1bEd26.IC  aEdwards, J.  aIntegral calculus for beginnersb: with an introduction to the study of differential equations /  aLondon:bMacmillan,c1955  axii, 308p.