000 00253nam a2200109Ia 4500
001 4469
008 231023s9999 xx 000 0 und d
100 1 _aEllsworth, Ralph E.
245 1 0 _aLa biblioteca escolar
260 _aTroquel 1971,
_c1971
999 _c54488
_d54488
942 _n1