00420nam a2200133 a 450000500170000000800410001724500610005825000110011926000570013030000270018750000340021465000270024885200110027520190520021329.0090327s19uu    xx            00    eng d00aMS-DOS reference manual, version 3.10 for the Model "D".  a4th ed  aCanton, MA :bLading Edge Hardware Products,cc1986.  a1 v. (various pagings)  aIncludes appendices and index 4aMS-DOS (Computer file)  7OLOPSC