000			00288nam a22001337a 4500
999			_c3975 _d3975
082			_ai069
100			_aThe Permutit Company
245			_aThe Permutit Company
250			_a3 Edición
260			_aNew York _bThe Permutit Company _c1950
300			_a322 p.
866			_a1
942			_cBK