000			00349nam a2200157Ia 4500
005			20250425161437.0
008			250425s9999 xx 000 0 und d
041			_aeng
082			_a539.721
245		0	_aPARTICLES; SOURCES AND FIELDS
250			_aS.E.
260			_aS.L.
260			_aSin Pais _bS.E. _c1973
942			_c01
010			_a20466
999			_c209396 _d209396