000 00276nam a2200121Ia 4500
001 9524
008 231023s9999 xx 000 0 und d
100 1 _aWilcox, Clair
245 1 0 _aHacia la prosperidad social
260 _aLimusa-Wiley 1971,
_c1971
999 _c43133
_d43133
942 _n1
942 _n1