000 00308nam a2200121Ia 4500
008 170101s1991 xx 000 0 und d
082 _a512.5 DAW
100 _adawber P.g.
245 0 _avectors & vector Operators
260 _aNew delhi
_bWiley Easteran Ltd.
_c1991
300 _a56 p.
942 _2ddc
_cEG
999 _c1923616
_d1923616