000 00331nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a273085069
082 _a515
082 _b35 HIL
100 _aHill J.M.
245 0 _aSolution of Defferential
260 _aLondon
260 _bPitman
260 _c1982
300 _a159
999 _c28676
_d28676