000 00260nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aBeekr, Louis
245 1 0 _aC tools for scientists and engineers /
_cLouis Beekr
264 1 _bMcGraw - Hill
_c1989
942 _cBK
999 _c19506
_d19506