000 00271nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aPol, Balthasar
245 0 _aSelected Scientific Papers
_cBalthasar Pol
260 _aAmsterdam
_bNorth-Holland
_c1960
942 _aIMAR
_cCART
999 _c34554
_d34554