000 00264nam a22000977a 4500
008 131201b xxu||||| |||| 00| 0 eng d
100 _aKaplan wilfred .
_93359
245 _aOperational methods for linear systems /
_cKaplan wilfred .
300 _a.
942 _2ddc
_cBK
999 _c38316
_d38316