Perplexity (1989)(Superior)[h TSTH][t +4 C. Richardson][bootfile]
Perplexity (1989)(Superior)[h TSTH][bootfile]
Perplexity (1989)(Superior)[bootfile]
Perplexity (1989)(Superior)[DSTART Start]
Perplexity (1989)(Superior Software-Acornsoft)
Perplexity (1989)(Superior Software-Acornsoft)