000 00366nam a22001457a 4500
001 000002408
003 PE-LiUAP
008 160331s1999 xxu||||| |||| 00| 0 eng d
082 _a620
_bG21
100 _91607
_aGallegos, Hector
245 _aLa ingenierĂ­a
260 _c1999
942 _2ddc
_cLIB
999 _c2408
_d2408
952 _2ddc
_94731
_aB12
_bB12
_cS00
_gBA000834
_o620 / G21
_pBA000834
_yLIB