000			00316nam a2200133Ia 4500
005			20251222144846.0
008			251222s9999||||xx |||||||||||||| ||spa||
082			_a421.52/U56/Ej.3
100			_aUnderhill, Adrian
245		0	_aSound Fundations
250			_a1ra.ed.
264			_bMacmillan Heinemann
942			_cLIB
999			_c21434 _d21434