000 00287nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a515.33
_bFER/D
100 _aFERRAR, W.L.
245 0 _aDIFFERENTIAL CALCULUS
260 _bThe English Language Book Society
_aLondon
_c1962
942 _cBK
999 _c2135
_d2135