Newnes radio engineer's factfinder [computer file] /
Davies, John.
[England?] : Newnes,
c1997.
System requirements: Compatible with Windows 3.1, Windows for Workgroups, Windows 95 ; a 486 processor or higher is recommended ; optimized for a 16 colour display with 640 x 480 pixel resolution ; each title requires approx. 2.5 Mb of disk space.