000			00394nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aKLEIN (Lewis) Ed.
245			_aDispersion relations and the abstract approach to field theory
260			_aNew York
260			_bGordon & Breach
260			_c1961
300			_ax p. + 273
942			_cBooks
999			_c5268 _d5268