Hz-program
“To produce the perfect grey type area without the rivers and holes of too-wide word spacing.”
Comparison between the text justification output of Hz-program and common software.
Zapf, Hermann. About micro-typography and the hz-program. Electronic Publishing, Vol. 6(3), 283–288 (September 1993)
Keith Smith, Bobby, 1985
Michael Corris, Typographic Samples, Pictures & Polemics, 1986