000 00334nam a2200145Ia 4500
008 130629s9999 xx 000 0 und d
082 _a515.33 FER-D
100 _aFerrar.W.L
245 _aDiffrential Calculus
260 _c1962
_aLondon
300 _a296
650 _aDiffrential Calculus
650 _aMathematics
942 _cBK
999 _c13568
_d13568