000 00355nam a2200145Ia 4500
008 160615s9999 xx 000 0 und d
100 _aPEDERSEN(C J) Ed
245 _a"Reports on progress in physics. Vol-31, Part 1"
260 _aLondon
260 _bInstitute of Physics
260 _c1968
942 _cBooks
999 _c7277
_d7277