000 00251nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aIBPGR/CGN
245 0 _aDiscriptors for Beta
260 _aRome
_bThe Author
_c1991
300 _a37 p
942 _2ddc
999 _c43198
_d43198