000 00267 a2200121 4500
080 _a547.97
_bK 26 U
245 1 _aUber I-thiochromone
_cby Max Kehren
260 _aBerlin
_c1919
650 _aThiochromone
100 1 _aKehren, Max
_d
300 _a78 p.
901 _a878
999 _c29898
_d29898