000 00250pas a2200097 454500
008 160820b xxu||||| |||| 00| 0 eng d
022 _a
245 _aSYSTEM ENGINEERING TODAY
260 _aPHILADELPHIA
_bCHILTON COMPANY
_c
906 _a
_b
_c
_dJan - Dec,2008
999 _c473897
_d473897