000			00362nam a2200145Ia 4500
008			200131s9999 xx 000 0 und d
090			_aD172
100	1		_aDalton hoyle
245		0	_aRelaciones humanas 3ed.
264			_aMexico: _bcengagelearning, _c2007
336			_atxt
337			_an
338			_anc
999			_c186609 _d186609
942	0	0	_00