000 00349pam a2200157a 44500
008 230515b1990 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _a651.7/ ROW.
100 _aROWE S.H.
245 _aBUSINESS TELECOMMUNICATIONS
250 _aN.D.
260 _aNULL
_bMAC M
_c1990
300 _a661 HB
650 _aNULL
999 _c633052
_d633052