000 00250nam a22001097a 4500
008 130130t xxu||||| |||| 00| 0 eng d
100 _aENGELS, Ferderico
_9980
245 _aAnti-Duhring
300 _a430
_b
_e
942 _2udc
_cBK
300 _c
_f
_g
999 _c22051
_d22051