000 00516nam a22001697a 4500
008 230403b |||||||| |||| 00| 0 eng d
020 _a8553-9210-X
040 _aNational Science Library
_cNational Science Library
080 _aD 681.3
_bL1.22
245 _aInput/ output
_c/ Infotech Information
260 _aLondon:
_bInfotech Informatio,
_c1975
300 _aviii, 644p.
490 _aInfotech state of the art report
_v22
650 _aComputer systems
653 _aInput output
942 _2udc
_cREP
999 _c19100
_d19100