00383nam a2200181Ia 4500008004100000082001200041082000800053100001500061245005000076250000900126260001600135260000900151300001000160365000600170365000600176365000600182650001300188181031s9999    xx            000 0 und d  a720.284  bPOR  aPorter Tom  aManual of Graphic Techniques 2:graphic design  a2nd.  bButterworth  c1982  a128p.  b0  d0  e0  aGraphics