000 00284nam a22001217a 4500
003 OSt
005 20151118193604.0
008 151118b xxu||||| |||| 00| 0 eng d
040 _aBUF
_cBUF
100 _aWillians, Jorge
245 _aLos contratos preparatorios
942 _2ddc
_cLIBROS B
999 _c37917
_d37917