00370nam a2200145Ia 4500008004100000020001500041041000800056082001600064100001900080245003400099250000600133260005200139300001200191650002100203210716s1992 xx 000 0 und d a8120308182 aeng a005.45 NORP aNorton, Peter. aPeter norton's dos 5.0 guide. a4 aNew DelhibPrentice Hall of India PVt Ltdc1992 axiv,498 aMS DOS(005.3682)