000 00268nas a2200085 a 4500
008 140526s9999 xx 000 0 und d
245 _aReports on Parogress in Physics
260 _bThe institute of Physics & The Pshysical Society
_aLondon
_c1970
530 _aVol:33(Part-1);
999 _c22107
_d22107