00309nam a2200121Ia 4500008004100000040001600041041001200057082001700069100001600086245002200102260005200124300001100176230917s9999||||xx |||||||||||||| ||und||  e13026aMAIN  aEnglish  a515.43 F412I  aFerrar, W L 0aIntegral Calculus  aLondonbThe English Language Book Societyc1963  a275 p.