000			00995cam a2200301Ia 4500
001			50084061
003			OCoLC
005			20230625212429.0
008			020628s2001 ag a j 001 0 spa d
020			_a9501113787 _q(pbk.)
020			_a9789501113785
040			_aLPU _cLPU _dSO$
041			_aspa
092			_a612.8 COMO FU
245	0	0	_aComo funcionan las maquinas
260			_aBuenos Aires : _bEditorial Sigmar, _cc2001.
300			_a48 p. : _bcol. ill. ; _c28 cm.
490	1		_aColeccion 101 preguntas.
500			_a"Es una edicion Sigmar"--P. [4] of cover.
500			_aIncludes index.
520			_aA simple introduction to machines of all kinds--at home, at work, in industry, in the entertainment field, computers and more--in a question-and-answer format.
546			_aIn Spanish.
650		0	_aMachinery _vJuvenile literature.
650		0	_aChildren's questions and answers.
710			_aEditorial Sigmar
830		0	_aColeccion 101 preguntas.
942			_cBK
999			_c28231 _d28231