000 00241nam a2200085 4500
080 _a681.3.066
_bZIF.93
245 _aPC learning labs teaches OS/2 2.1 Logical operations
700 _aZiff-Davis Press
260 _aCalifornia
_bZiff-Davis Press
_c1993
300 _axxviii+279p
999 _c34826
_d34826