000 00290nas a2200085 a 4500
008 140526s9999 xx 000 0 und d
245 _aJournal of Physics A General Physics
260 _bThe Institute of Physics and the Physical Society
_aLondon
_c1971
530 _aVol:4;Issue:1-6;Month:Jan-Nov;
999 _c26932
_d26932