00282nam a2200109Ia 4500100002600000654002600026245004700052260003400099082001900133300000800152546001200160  aAho/ Hopcroft/Ullman   acomputer algorithems.  aDesign & analysis of computer algorithems.  bADDISON WESLEYaReadingc1974  a5.1baho/hop/l  a470  aENGLISH