00355nam a2200145Ia 4500008004100000020001500041041000800056082001600064100001800080245002200098250000600120260006200126300001200188650000900200210716s1999    xx            000 0 und d  a8173660603  aeng  a004.6P WALN  aWalsh, Nancy.  aLearning perl/tk.  a1  aMumbaibShroff  Publishers and Distributors Pvt Ltdc1999  axvi,358  aNone