000			00357nam a2200157Ia 4500
005			20250425161614.0
008			250425s9999 xx 000 0 und d
041			_aeng
082			_a519.55
245		0	_aSPECTRAL ANALYSIS AND TIME SERIES
250			_aS.E.
260			_aS.L.
260			_aSin Pais _bACPR INC. _c1981
942			_c01
010			_a24109
999			_c212452 _d212452