000 00279nam a2200109Ia 4500
008 231107s1972 xx 000 0 und d
041 _aeng
082 _a745.4
100 _aHenry Drey Fuss
245 _aSymbol Source Book
260 _aNew York
_bMc-Graw Hill Publishing Co.
_c1972
999 _c920790
_d920790