00302nam a2200121Ia 4500082002400000100002200024245004300046260003200089300001200121500003700133500000500170700000500175  aCD75b518.5 R524.BF  aRichardson, Ronny  aDr. Batch file's ultimate collectionb  aNew YorkbMcGraw-Hillc1993  aDiskett  a"Received with the Book" DP22975  a  a