000 00292nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a515.4 FAU/D FER/D
100 _aFERRAR W L
245 0 _aDIFFERENTIAL CALCULUS
260 _bS CHAND AND COMPANY LTD
_c1956
300 _a294
942 _cTB
999 _c24131
_d24131