000 00358nam a2200157Ia 4500
008 160615s9999 xx 000 0 und d
100 _aEHRENFEST(Paul)
245 _aCollected scientific papers
260 _aAmsterdam
260 _bNorth-Holland
260 _c1959
300 _axii p. + 632
942 _cBooks
999 _c7236
_d7236