000			00293pam a2200145 a 4500
020			_c
041			_aeng
082			_bWyt
100			_aWhatt, Tiley,Paisley.
245			_a Using MS- DOS 6.2
250			_a1996.
260			_aNew Delhi: _bPrentice Hall.
300			_a1115.
930			_a3407
999			_c80327 _d80327