000			00405nam a2200169Ia 4500
008			160615s9999 xx 000 0 und d
100			_aBRUNT(David)
245			_aThe combination of observations
250			_a2nd ed.
260			_aCambridge
260			_bCambridge University Press univ press
260			_c1931
300			_ax p. + 239
942			_cBooks
999			_c4415 _d4415