000 00259nam a2200109Ia 4500
008 180710s9999 xx 000 0 und d
020 _a238804
100 _aThierens, A.E.
245 _aNatural philosophy
260 _aLondon
_bRider & Co.
_c0
300 _a158 p.
999 _c72547
_d72547