000 00306nam a2200121Ia 4500
005 20250114223540.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _aPh7361:N6r
245 _aPegs : No. 31:apr. 1968
260 _c1968
_bEduca. Rese. Infor. Cent.
_aWashington
365 _cRs.
999 _c130522
_d130522