00374nam a2200133Ia 450000500170000000800410001702000180005808200240007610000450010024500420014525000120018726000280019930000130022720250318135245.0231217s9999    xx            000 0 und d  a9788173660627  a001.6424LEX  LEV;12  aLevine, John R. Mason, Tony. Brown, Doug 0aLex and yaac : Unix programming tools  a2nd ed.  c2000bShroffaBangalore  axxii+366