00303nam a2200121 a 450000500170000002000150001708200240003210000190005624500340007525000120010926000400012130000200016120251203091849.0  a0201608375  a001.6424ms,bD, lai  aLai, Robert S.  aWriting MS-DOS device drivers  a2nd ed.  aMassachusettsbAddison-Wesleyc1992  axiv, 560p, 24cm