000 00313nam a2200157Ia 4500
100 _aLewallen/ Dale
490 _v24
942 _cBK
654 _aPC
245 _aPC Computing
260 _bZ.D. Publications
_aCalfornia
_c1991
082 _a4.16
_bPAN
300 _a434
546 _aENGLISH
999 _c19965
_d19965